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Finding the Fourth Proportional to 59,887.64, 89,732.94 and 47,487.32

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Solution

The fourth proportional to 59,887.64, 89,732.94 and 47,487.32 is: 71,152.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,887.64 : 89,732.94 = 47,487.32 : x
  2. Step 2: Convert to fraction form
    59,887.64/89,732.94 = 47,487.32/x
  3. Step 3: Cross multiply
    59,887.64x = 89,732.94 × 47,487.32
  4. Step 4: Simplify right side
    59,887.64x = 4,261,176,836.32
  5. Step 5: Solve for x
    x = 4,261,176,836.32/59,887.64
  6. Step 6: Final answer
    x = 71,152.86

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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.