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Finding the Fourth Proportional to 52,445.49, 72,372.26 and 29,781.49

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Solution

The fourth proportional to 52,445.49, 72,372.26 and 29,781.49 is: 41,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,445.49 : 72,372.26 = 29,781.49 : x
  2. Step 2: Convert to fraction form
    52,445.49/72,372.26 = 29,781.49/x
  3. Step 3: Cross multiply
    52,445.49x = 72,372.26 × 29,781.49
  4. Step 4: Simplify right side
    52,445.49x = 2,155,353,737.47
  5. Step 5: Solve for x
    x = 2,155,353,737.47/52,445.49
  6. Step 6: Final answer
    x = 41,097.03

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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.