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Finding the Fourth Proportional to 62,564.70, 86,367.24 and 39,933.66

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Solution

The fourth proportional to 62,564.70, 86,367.24 and 39,933.66 is: 55,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,564.70 : 86,367.24 = 39,933.66 : x
  2. Step 2: Convert to fraction form
    62,564.70/86,367.24 = 39,933.66/x
  3. Step 3: Cross multiply
    62,564.70x = 86,367.24 × 39,933.66
  4. Step 4: Simplify right side
    62,564.70x = 3,448,959,997.30
  5. Step 5: Solve for x
    x = 3,448,959,997.30/62,564.70
  6. Step 6: Final answer
    x = 55,126.29

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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.