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Finding the Fourth Proportional to 61,685.80, 92,472 and 22,233.28

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Solution

The fourth proportional to 61,685.80, 92,472 and 22,233.28 is: 33,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,685.80 : 92,472 = 22,233.28 : x
  2. Step 2: Convert to fraction form
    61,685.80/92,472 = 22,233.28/x
  3. Step 3: Cross multiply
    61,685.80x = 92,472 × 22,233.28
  4. Step 4: Simplify right side
    61,685.80x = 2,055,955,868.16
  5. Step 5: Solve for x
    x = 2,055,955,868.16/61,685.80
  6. Step 6: Final answer
    x = 33,329.48

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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.