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Finding the Fourth Proportional to 59,887.72, 89,830.04 and 15,512.88

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Solution

The fourth proportional to 59,887.72, 89,830.04 and 15,512.88 is: 23,268.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,887.72 : 89,830.04 = 15,512.88 : x
  2. Step 2: Convert to fraction form
    59,887.72/89,830.04 = 15,512.88/x
  3. Step 3: Cross multiply
    59,887.72x = 89,830.04 × 15,512.88
  4. Step 4: Simplify right side
    59,887.72x = 1,393,522,630.92
  5. Step 5: Solve for x
    x = 1,393,522,630.92/59,887.72
  6. Step 6: Final answer
    x = 23,268.92

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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.