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Finding the Fourth Proportional to 16,662.48, 22,993.54 and 9,109.07

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Solution

The fourth proportional to 16,662.48, 22,993.54 and 9,109.07 is: 12,570.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,662.48 : 22,993.54 = 9,109.07 : x
  2. Step 2: Convert to fraction form
    16,662.48/22,993.54 = 9,109.07/x
  3. Step 3: Cross multiply
    16,662.48x = 22,993.54 × 9,109.07
  4. Step 4: Simplify right side
    16,662.48x = 209,449,765.41
  5. Step 5: Solve for x
    x = 209,449,765.41/16,662.48
  6. Step 6: Final answer
    x = 12,570.14

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Similar ratio
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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.