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Finding the Fourth Proportional to 59,380.92, 89,076.06 and 19,937.88

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Solution

The fourth proportional to 59,380.92, 89,076.06 and 19,937.88 is: 29,908.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,380.92 : 89,076.06 = 19,937.88 : x
  2. Step 2: Convert to fraction form
    59,380.92/89,076.06 = 19,937.88/x
  3. Step 3: Cross multiply
    59,380.92x = 89,076.06 × 19,937.88
  4. Step 4: Simplify right side
    59,380.92x = 1,775,987,795.15
  5. Step 5: Solve for x
    x = 1,775,987,795.15/59,380.92
  6. Step 6: Final answer
    x = 29,908.39

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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.