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Finding the Fourth Proportional to 8,527.92, 12,793.68 and 3,334.20

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Solution

The fourth proportional to 8,527.92, 12,793.68 and 3,334.20 is: 5,002.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,527.92 : 12,793.68 = 3,334.20 : x
  2. Step 2: Convert to fraction form
    8,527.92/12,793.68 = 3,334.20/x
  3. Step 3: Cross multiply
    8,527.92x = 12,793.68 × 3,334.20
  4. Step 4: Simplify right side
    8,527.92x = 42,656,687.86
  5. Step 5: Solve for x
    x = 42,656,687.86/8,527.92
  6. Step 6: Final answer
    x = 5,002.00

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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.