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Finding the Fourth Proportional to 61,456.71, 92,194.79 and 22,012.95

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Solution

The fourth proportional to 61,456.71, 92,194.79 and 22,012.95 is: 33,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,456.71 : 92,194.79 = 22,012.95 : x
  2. Step 2: Convert to fraction form
    61,456.71/92,194.79 = 22,012.95/x
  3. Step 3: Cross multiply
    61,456.71x = 92,194.79 × 22,012.95
  4. Step 4: Simplify right side
    61,456.71x = 2,029,479,192.47
  5. Step 5: Solve for x
    x = 2,029,479,192.47/61,456.71
  6. Step 6: Final answer
    x = 33,022.91

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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.