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Finding the Fourth Proportional to 40,061.61, 60,079.95 and 13,760.10

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Solution

The fourth proportional to 40,061.61, 60,079.95 and 13,760.10 is: 20,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,061.61 : 60,079.95 = 13,760.10 : x
  2. Step 2: Convert to fraction form
    40,061.61/60,079.95 = 13,760.10/x
  3. Step 3: Cross multiply
    40,061.61x = 60,079.95 × 13,760.10
  4. Step 4: Simplify right side
    40,061.61x = 826,706,120.00
  5. Step 5: Solve for x
    x = 826,706,120.00/40,061.61
  6. Step 6: Final answer
    x = 20,635.87

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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.