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Finding the Fourth Proportional to 25,773.71, 38,640.84 and 17,853.46

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Solution

The fourth proportional to 25,773.71, 38,640.84 and 17,853.46 is: 26,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,773.71 : 38,640.84 = 17,853.46 : x
  2. Step 2: Convert to fraction form
    25,773.71/38,640.84 = 17,853.46/x
  3. Step 3: Cross multiply
    25,773.71x = 38,640.84 × 17,853.46
  4. Step 4: Simplify right side
    25,773.71x = 689,872,691.31
  5. Step 5: Solve for x
    x = 689,872,691.31/25,773.71
  6. Step 6: Final answer
    x = 26,766.53

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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.