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Finding the Fourth Proportional to 5,865.98, 8,793.48 and 2,167.20

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Solution

The fourth proportional to 5,865.98, 8,793.48 and 2,167.20 is: 3,248.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.98 : 8,793.48 = 2,167.20 : x
  2. Step 2: Convert to fraction form
    5,865.98/8,793.48 = 2,167.20/x
  3. Step 3: Cross multiply
    5,865.98x = 8,793.48 × 2,167.20
  4. Step 4: Simplify right side
    5,865.98x = 19,057,229.86
  5. Step 5: Solve for x
    x = 19,057,229.86/5,865.98
  6. Step 6: Final answer
    x = 3,248.77

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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.