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Finding the Fourth Proportional to 61,359.68, 92,034.66 and 21,912.68

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Solution

The fourth proportional to 61,359.68, 92,034.66 and 21,912.68 is: 32,867.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.68 : 92,034.66 = 21,912.68 : x
  2. Step 2: Convert to fraction form
    61,359.68/92,034.66 = 21,912.68/x
  3. Step 3: Cross multiply
    61,359.68x = 92,034.66 × 21,912.68
  4. Step 4: Simplify right side
    61,359.68x = 2,016,726,053.49
  5. Step 5: Solve for x
    x = 2,016,726,053.49/61,359.68
  6. Step 6: Final answer
    x = 32,867.28

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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.