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Finding the Fourth Proportional to 10,691.52, 14,753.52 and 6,501.12

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Solution

The fourth proportional to 10,691.52, 14,753.52 and 6,501.12 is: 8,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.52 : 14,753.52 = 6,501.12 : x
  2. Step 2: Convert to fraction form
    10,691.52/14,753.52 = 6,501.12/x
  3. Step 3: Cross multiply
    10,691.52x = 14,753.52 × 6,501.12
  4. Step 4: Simplify right side
    10,691.52x = 95,914,403.94
  5. Step 5: Solve for x
    x = 95,914,403.94/10,691.52
  6. Step 6: Final answer
    x = 8,971.07

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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.