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Finding the Fourth Proportional to 8,682.04, 11,969.94 and 5,532.76

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Solution

The fourth proportional to 8,682.04, 11,969.94 and 5,532.76 is: 7,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.04 : 11,969.94 = 5,532.76 : x
  2. Step 2: Convert to fraction form
    8,682.04/11,969.94 = 5,532.76/x
  3. Step 3: Cross multiply
    8,682.04x = 11,969.94 × 5,532.76
  4. Step 4: Simplify right side
    8,682.04x = 66,226,805.23
  5. Step 5: Solve for x
    x = 66,226,805.23/8,682.04
  6. Step 6: Final answer
    x = 7,628.02

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Half scale
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Double scale
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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.