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Finding the Fourth Proportional to 62,917.20, 94,375.80 and 25,477.20

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Solution

The fourth proportional to 62,917.20, 94,375.80 and 25,477.20 is: 38,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,917.20 : 94,375.80 = 25,477.20 : x
  2. Step 2: Convert to fraction form
    62,917.20/94,375.80 = 25,477.20/x
  3. Step 3: Cross multiply
    62,917.20x = 94,375.80 × 25,477.20
  4. Step 4: Simplify right side
    62,917.20x = 2,404,431,131.76
  5. Step 5: Solve for x
    x = 2,404,431,131.76/62,917.20
  6. Step 6: Final answer
    x = 38,215.80

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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.