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Finding the Fourth Proportional to 61,912.32, 92,905.38 and 22,472.52

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Solution

The fourth proportional to 61,912.32, 92,905.38 and 22,472.52 is: 33,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,912.32 : 92,905.38 = 22,472.52 : x
  2. Step 2: Convert to fraction form
    61,912.32/92,905.38 = 22,472.52/x
  3. Step 3: Cross multiply
    61,912.32x = 92,905.38 × 22,472.52
  4. Step 4: Simplify right side
    61,912.32x = 2,087,818,010.16
  5. Step 5: Solve for x
    x = 2,087,818,010.16/61,912.32
  6. Step 6: Final answer
    x = 33,722.17

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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.