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Finding the Fourth Proportional to 8,577.70, 12,867.48 and 2,732.95

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Solution

The fourth proportional to 8,577.70, 12,867.48 and 2,732.95 is: 4,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.70 : 12,867.48 = 2,732.95 : x
  2. Step 2: Convert to fraction form
    8,577.70/12,867.48 = 2,732.95/x
  3. Step 3: Cross multiply
    8,577.70x = 12,867.48 × 2,732.95
  4. Step 4: Simplify right side
    8,577.70x = 35,166,179.47
  5. Step 5: Solve for x
    x = 35,166,179.47/8,577.70
  6. Step 6: Final answer
    x = 4,099.72

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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.