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Finding the Fourth Proportional to 8,025.70, 11,073.20 and 5,508.40

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Solution

The fourth proportional to 8,025.70, 11,073.20 and 5,508.40 is: 7,600.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,025.70 : 11,073.20 = 5,508.40 : x
  2. Step 2: Convert to fraction form
    8,025.70/11,073.20 = 5,508.40/x
  3. Step 3: Cross multiply
    8,025.70x = 11,073.20 × 5,508.40
  4. Step 4: Simplify right side
    8,025.70x = 60,995,614.88
  5. Step 5: Solve for x
    x = 60,995,614.88/8,025.70
  6. Step 6: Final answer
    x = 7,600.04

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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.