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Finding the Fourth Proportional to 5,562.64, 8,344.14 and 2,639.44

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Solution

The fourth proportional to 5,562.64, 8,344.14 and 2,639.44 is: 3,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.64 : 8,344.14 = 2,639.44 : x
  2. Step 2: Convert to fraction form
    5,562.64/8,344.14 = 2,639.44/x
  3. Step 3: Cross multiply
    5,562.64x = 8,344.14 × 2,639.44
  4. Step 4: Simplify right side
    5,562.64x = 22,023,856.88
  5. Step 5: Solve for x
    x = 22,023,856.88/5,562.64
  6. Step 6: Final answer
    x = 3,959.25

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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.