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Finding the Fourth Proportional to 62,651.88, 86,535.54 and 45,629.19

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Solution

The fourth proportional to 62,651.88, 86,535.54 and 45,629.19 is: 63,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,651.88 : 86,535.54 = 45,629.19 : x
  2. Step 2: Convert to fraction form
    62,651.88/86,535.54 = 45,629.19/x
  3. Step 3: Cross multiply
    62,651.88x = 86,535.54 × 45,629.19
  4. Step 4: Simplify right side
    62,651.88x = 3,948,546,596.41
  5. Step 5: Solve for x
    x = 3,948,546,596.41/62,651.88
  6. Step 6: Final answer
    x = 63,023.59

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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.