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Finding the Fourth Proportional to 8,959.44, 13,439.15 and 3,697.41

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Solution

The fourth proportional to 8,959.44, 13,439.15 and 3,697.41 is: 5,546.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.44 : 13,439.15 = 3,697.41 : x
  2. Step 2: Convert to fraction form
    8,959.44/13,439.15 = 3,697.41/x
  3. Step 3: Cross multiply
    8,959.44x = 13,439.15 × 3,697.41
  4. Step 4: Simplify right side
    8,959.44x = 49,690,029.11
  5. Step 5: Solve for x
    x = 49,690,029.11/8,959.44
  6. Step 6: Final answer
    x = 5,546.11

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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.