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Finding the Fourth Proportional to 16,118.76, 22,241.76 and 9,045.12

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Solution

The fourth proportional to 16,118.76, 22,241.76 and 9,045.12 is: 12,481.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.76 : 22,241.76 = 9,045.12 : x
  2. Step 2: Convert to fraction form
    16,118.76/22,241.76 = 9,045.12/x
  3. Step 3: Cross multiply
    16,118.76x = 22,241.76 × 9,045.12
  4. Step 4: Simplify right side
    16,118.76x = 201,179,388.21
  5. Step 5: Solve for x
    x = 201,179,388.21/16,118.76
  6. Step 6: Final answer
    x = 12,481.07

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Find fourth proportional to 8,059.38, 11,120.88 and 4,522.56
Half scale
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Double scale
Find fourth proportional to 16,119.76, 22,243.14 and 9,046.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.