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Finding the Fourth Proportional to 59,484.78, 89,270.37 and 47,937.42

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Solution

The fourth proportional to 59,484.78, 89,270.37 and 47,937.42 is: 71,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,484.78 : 89,270.37 = 47,937.42 : x
  2. Step 2: Convert to fraction form
    59,484.78/89,270.37 = 47,937.42/x
  3. Step 3: Cross multiply
    59,484.78x = 89,270.37 × 47,937.42
  4. Step 4: Simplify right side
    59,484.78x = 4,279,391,220.25
  5. Step 5: Solve for x
    x = 4,279,391,220.25/59,484.78
  6. Step 6: Final answer
    x = 71,940.94

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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.