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Finding the Fourth Proportional to 61,967.46, 92,951.28 and 15,220.38

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Solution

The fourth proportional to 61,967.46, 92,951.28 and 15,220.38 is: 22,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,967.46 : 92,951.28 = 15,220.38 : x
  2. Step 2: Convert to fraction form
    61,967.46/92,951.28 = 15,220.38/x
  3. Step 3: Cross multiply
    61,967.46x = 92,951.28 × 15,220.38
  4. Step 4: Simplify right side
    61,967.46x = 1,414,753,803.09
  5. Step 5: Solve for x
    x = 1,414,753,803.09/61,967.46
  6. Step 6: Final answer
    x = 22,830.59

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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.