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Finding the Fourth Proportional to 62,605.44, 86,388.48 and 38,747.52

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Solution

The fourth proportional to 62,605.44, 86,388.48 and 38,747.52 is: 53,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.44 : 86,388.48 = 38,747.52 : x
  2. Step 2: Convert to fraction form
    62,605.44/86,388.48 = 38,747.52/x
  3. Step 3: Cross multiply
    62,605.44x = 86,388.48 × 38,747.52
  4. Step 4: Simplify right side
    62,605.44x = 3,347,339,356.57
  5. Step 5: Solve for x
    x = 3,347,339,356.57/62,605.44
  6. Step 6: Final answer
    x = 53,467.23

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1.5x scale

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.