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Finding the Fourth Proportional to 22,458.55, 33,687.93 and 5,817.40

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Solution

The fourth proportional to 22,458.55, 33,687.93 and 5,817.40 is: 8,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,458.55 : 33,687.93 = 5,817.40 : x
  2. Step 2: Convert to fraction form
    22,458.55/33,687.93 = 5,817.40/x
  3. Step 3: Cross multiply
    22,458.55x = 33,687.93 × 5,817.40
  4. Step 4: Simplify right side
    22,458.55x = 195,976,134.90
  5. Step 5: Solve for x
    x = 195,976,134.90/22,458.55
  6. Step 6: Final answer
    x = 8,726.13

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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.