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Finding the Fourth Proportional to 5,498.44, 8,248.68 and 2,867.20

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Solution

The fourth proportional to 5,498.44, 8,248.68 and 2,867.20 is: 4,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,498.44 : 8,248.68 = 2,867.20 : x
  2. Step 2: Convert to fraction form
    5,498.44/8,248.68 = 2,867.20/x
  3. Step 3: Cross multiply
    5,498.44x = 8,248.68 × 2,867.20
  4. Step 4: Simplify right side
    5,498.44x = 23,650,615.30
  5. Step 5: Solve for x
    x = 23,650,615.30/5,498.44
  6. Step 6: Final answer
    x = 4,301.33

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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.