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Finding the Fourth Proportional to 62,666.68, 86,481.12 and 34,372.30

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Solution

The fourth proportional to 62,666.68, 86,481.12 and 34,372.30 is: 47,434.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,666.68 : 86,481.12 = 34,372.30 : x
  2. Step 2: Convert to fraction form
    62,666.68/86,481.12 = 34,372.30/x
  3. Step 3: Cross multiply
    62,666.68x = 86,481.12 × 34,372.30
  4. Step 4: Simplify right side
    62,666.68x = 2,972,555,000.98
  5. Step 5: Solve for x
    x = 2,972,555,000.98/62,666.68
  6. Step 6: Final answer
    x = 47,434.38

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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.