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Finding the Fourth Proportional to 65,593.63, 98,343.10 and 25,578.70

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Solution

The fourth proportional to 65,593.63, 98,343.10 and 25,578.70 is: 38,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,593.63 : 98,343.10 = 25,578.70 : x
  2. Step 2: Convert to fraction form
    65,593.63/98,343.10 = 25,578.70/x
  3. Step 3: Cross multiply
    65,593.63x = 98,343.10 × 25,578.70
  4. Step 4: Simplify right side
    65,593.63x = 2,515,488,847.39
  5. Step 5: Solve for x
    x = 2,515,488,847.39/65,593.63
  6. Step 6: Final answer
    x = 38,349.59

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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.