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Finding the Fourth Proportional to 84,651.30, 126,963.96 and 22,326.66

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Solution

The fourth proportional to 84,651.30, 126,963.96 and 22,326.66 is: 33,486.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,651.30 : 126,963.96 = 22,326.66 : x
  2. Step 2: Convert to fraction form
    84,651.30/126,963.96 = 22,326.66/x
  3. Step 3: Cross multiply
    84,651.30x = 126,963.96 × 22,326.66
  4. Step 4: Simplify right side
    84,651.30x = 2,834,681,167.17
  5. Step 5: Solve for x
    x = 2,834,681,167.17/84,651.30
  6. Step 6: Final answer
    x = 33,486.56

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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.