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Finding the Fourth Proportional to 40,280.68, 60,438.30 and 22,724.20

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Solution

The fourth proportional to 40,280.68, 60,438.30 and 22,724.20 is: 34,096.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.68 : 60,438.30 = 22,724.20 : x
  2. Step 2: Convert to fraction form
    40,280.68/60,438.30 = 22,724.20/x
  3. Step 3: Cross multiply
    40,280.68x = 60,438.30 × 22,724.20
  4. Step 4: Simplify right side
    40,280.68x = 1,373,412,016.86
  5. Step 5: Solve for x
    x = 1,373,412,016.86/40,280.68
  6. Step 6: Final answer
    x = 34,096.05

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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.