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Finding the Fourth Proportional to 61,591.92, 92,377.72 and 22,141.68

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Solution

The fourth proportional to 61,591.92, 92,377.72 and 22,141.68 is: 33,208.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,591.92 : 92,377.72 = 22,141.68 : x
  2. Step 2: Convert to fraction form
    61,591.92/92,377.72 = 22,141.68/x
  3. Step 3: Cross multiply
    61,591.92x = 92,377.72 × 22,141.68
  4. Step 4: Simplify right side
    61,591.92x = 2,045,397,915.37
  5. Step 5: Solve for x
    x = 2,045,397,915.37/61,591.92
  6. Step 6: Final answer
    x = 33,208.87

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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.