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Finding the Fourth Proportional to 45,491.74, 62,778.74 and 26,375.26

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Solution

The fourth proportional to 45,491.74, 62,778.74 and 26,375.26 is: 36,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,491.74 : 62,778.74 = 26,375.26 : x
  2. Step 2: Convert to fraction form
    45,491.74/62,778.74 = 26,375.26/x
  3. Step 3: Cross multiply
    45,491.74x = 62,778.74 × 26,375.26
  4. Step 4: Simplify right side
    45,491.74x = 1,655,805,589.97
  5. Step 5: Solve for x
    x = 1,655,805,589.97/45,491.74
  6. Step 6: Final answer
    x = 36,397.94

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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.