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Finding the Fourth Proportional to 45,399.97, 62,649.95 and 25,255.27

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Solution

The fourth proportional to 45,399.97, 62,649.95 and 25,255.27 is: 34,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,399.97 : 62,649.95 = 25,255.27 : x
  2. Step 2: Convert to fraction form
    45,399.97/62,649.95 = 25,255.27/x
  3. Step 3: Cross multiply
    45,399.97x = 62,649.95 × 25,255.27
  4. Step 4: Simplify right side
    45,399.97x = 1,582,241,402.74
  5. Step 5: Solve for x
    x = 1,582,241,402.74/45,399.97
  6. Step 6: Final answer
    x = 34,851.16

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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.