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Finding the Fourth Proportional to 40,937.70, 61,374.15 and 22,469.70

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Solution

The fourth proportional to 40,937.70, 61,374.15 and 22,469.70 is: 33,686.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,937.70 : 61,374.15 = 22,469.70 : x
  2. Step 2: Convert to fraction form
    40,937.70/61,374.15 = 22,469.70/x
  3. Step 3: Cross multiply
    40,937.70x = 61,374.15 × 22,469.70
  4. Step 4: Simplify right side
    40,937.70x = 1,379,058,738.26
  5. Step 5: Solve for x
    x = 1,379,058,738.26/40,937.70
  6. Step 6: Final answer
    x = 33,686.77

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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.