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Finding the Fourth Proportional to 59,928.58, 89,866.73 and 31,841.87

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Solution

The fourth proportional to 59,928.58, 89,866.73 and 31,841.87 is: 47,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,928.58 : 89,866.73 = 31,841.87 : x
  2. Step 2: Convert to fraction form
    59,928.58/89,866.73 = 31,841.87/x
  3. Step 3: Cross multiply
    59,928.58x = 89,866.73 × 31,841.87
  4. Step 4: Simplify right side
    59,928.58x = 2,861,524,494.61
  5. Step 5: Solve for x
    x = 2,861,524,494.61/59,928.58
  6. Step 6: Final answer
    x = 47,748.91

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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.