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Finding the Fourth Proportional to 59,966.62, 89,872.98 and 50,715.88

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Solution

The fourth proportional to 59,966.62, 89,872.98 and 50,715.88 is: 76,008.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,966.62 : 89,872.98 = 50,715.88 : x
  2. Step 2: Convert to fraction form
    59,966.62/89,872.98 = 50,715.88/x
  3. Step 3: Cross multiply
    59,966.62x = 89,872.98 × 50,715.88
  4. Step 4: Simplify right side
    59,966.62x = 4,557,987,268.92
  5. Step 5: Solve for x
    x = 4,557,987,268.92/59,966.62
  6. Step 6: Final answer
    x = 76,008.74

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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.