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Finding the Fourth Proportional to 39,679.67, 59,517.59 and 14,724.59

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Solution

The fourth proportional to 39,679.67, 59,517.59 and 14,724.59 is: 22,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,679.67 : 59,517.59 = 14,724.59 : x
  2. Step 2: Convert to fraction form
    39,679.67/59,517.59 = 14,724.59/x
  3. Step 3: Cross multiply
    39,679.67x = 59,517.59 × 14,724.59
  4. Step 4: Simplify right side
    39,679.67x = 876,371,739.33
  5. Step 5: Solve for x
    x = 876,371,739.33/39,679.67
  6. Step 6: Final answer
    x = 22,086.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.