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Finding the Fourth Proportional to 8,902.38, 13,367.46 and 8,508.03

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Solution

The fourth proportional to 8,902.38, 13,367.46 and 8,508.03 is: 12,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902.38 : 13,367.46 = 8,508.03 : x
  2. Step 2: Convert to fraction form
    8,902.38/13,367.46 = 8,508.03/x
  3. Step 3: Cross multiply
    8,902.38x = 13,367.46 × 8,508.03
  4. Step 4: Simplify right side
    8,902.38x = 113,730,750.70
  5. Step 5: Solve for x
    x = 113,730,750.70/8,902.38
  6. Step 6: Final answer
    x = 12,775.32

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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.