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Finding the Fourth Proportional to 52,357.41, 72,241.80 and 29,691.27

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Solution

The fourth proportional to 52,357.41, 72,241.80 and 29,691.27 is: 40,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.41 : 72,241.80 = 29,691.27 : x
  2. Step 2: Convert to fraction form
    52,357.41/72,241.80 = 29,691.27/x
  3. Step 3: Cross multiply
    52,357.41x = 72,241.80 × 29,691.27
  4. Step 4: Simplify right side
    52,357.41x = 2,144,950,789.09
  5. Step 5: Solve for x
    x = 2,144,950,789.09/52,357.41
  6. Step 6: Final answer
    x = 40,967.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.