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Finding the Fourth Proportional to 62,693.60, 86,517.15 and 35,836.68

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Solution

The fourth proportional to 62,693.60, 86,517.15 and 35,836.68 is: 49,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,693.60 : 86,517.15 = 35,836.68 : x
  2. Step 2: Convert to fraction form
    62,693.60/86,517.15 = 35,836.68/x
  3. Step 3: Cross multiply
    62,693.60x = 86,517.15 × 35,836.68
  4. Step 4: Simplify right side
    62,693.60x = 3,100,487,419.06
  5. Step 5: Solve for x
    x = 3,100,487,419.06/62,693.60
  6. Step 6: Final answer
    x = 49,454.61

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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.