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Finding the Fourth Proportional to 58,753.88, 88,121.70 and 19,310.73

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Solution

The fourth proportional to 58,753.88, 88,121.70 and 19,310.73 is: 28,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,753.88 : 88,121.70 = 19,310.73 : x
  2. Step 2: Convert to fraction form
    58,753.88/88,121.70 = 19,310.73/x
  3. Step 3: Cross multiply
    58,753.88x = 88,121.70 × 19,310.73
  4. Step 4: Simplify right side
    58,753.88x = 1,701,694,355.84
  5. Step 5: Solve for x
    x = 1,701,694,355.84/58,753.88
  6. Step 6: Final answer
    x = 28,963.10

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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.