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Finding the Fourth Proportional to 59,710.12, 89,571.47 and 29,731.79

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Solution

The fourth proportional to 59,710.12, 89,571.47 and 29,731.79 is: 44,600.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,710.12 : 89,571.47 = 29,731.79 : x
  2. Step 2: Convert to fraction form
    59,710.12/89,571.47 = 29,731.79/x
  3. Step 3: Cross multiply
    59,710.12x = 89,571.47 × 29,731.79
  4. Step 4: Simplify right side
    59,710.12x = 2,663,120,211.30
  5. Step 5: Solve for x
    x = 2,663,120,211.30/59,710.12
  6. Step 6: Final answer
    x = 44,600.82

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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.