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Finding the Fourth Proportional to 61,955.28, 92,939.13 and 22,515.57

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Solution

The fourth proportional to 61,955.28, 92,939.13 and 22,515.57 is: 33,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,955.28 : 92,939.13 = 22,515.57 : x
  2. Step 2: Convert to fraction form
    61,955.28/92,939.13 = 22,515.57/x
  3. Step 3: Cross multiply
    61,955.28x = 92,939.13 × 22,515.57
  4. Step 4: Simplify right side
    61,955.28x = 2,092,577,487.25
  5. Step 5: Solve for x
    x = 2,092,577,487.25/61,955.28
  6. Step 6: Final answer
    x = 33,775.61

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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.