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Finding the Fourth Proportional to 62,391.30, 86,100.33 and 35,167.80

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Solution

The fourth proportional to 62,391.30, 86,100.33 and 35,167.80 is: 48,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,391.30 : 86,100.33 = 35,167.80 : x
  2. Step 2: Convert to fraction form
    62,391.30/86,100.33 = 35,167.80/x
  3. Step 3: Cross multiply
    62,391.30x = 86,100.33 × 35,167.80
  4. Step 4: Simplify right side
    62,391.30x = 3,027,959,640.13
  5. Step 5: Solve for x
    x = 3,027,959,640.13/62,391.30
  6. Step 6: Final answer
    x = 48,531.76

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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.