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Finding the Fourth Proportional to 60,487.68, 90,731.52 and 29,327.52

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Solution

The fourth proportional to 60,487.68, 90,731.52 and 29,327.52 is: 43,991.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,487.68 : 90,731.52 = 29,327.52 : x
  2. Step 2: Convert to fraction form
    60,487.68/90,731.52 = 29,327.52/x
  3. Step 3: Cross multiply
    60,487.68x = 90,731.52 × 29,327.52
  4. Step 4: Simplify right side
    60,487.68x = 2,660,930,467.43
  5. Step 5: Solve for x
    x = 2,660,930,467.43/60,487.68
  6. Step 6: Final answer
    x = 43,991.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.