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Finding the Fourth Proportional to 43,489.68, 60,010.16 and 25,578.15

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Solution

The fourth proportional to 43,489.68, 60,010.16 and 25,578.15 is: 35,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,489.68 : 60,010.16 = 25,578.15 : x
  2. Step 2: Convert to fraction form
    43,489.68/60,010.16 = 25,578.15/x
  3. Step 3: Cross multiply
    43,489.68x = 60,010.16 × 25,578.15
  4. Step 4: Simplify right side
    43,489.68x = 1,534,948,896.14
  5. Step 5: Solve for x
    x = 1,534,948,896.14/43,489.68
  6. Step 6: Final answer
    x = 35,294.55

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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.