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Finding the Fourth Proportional to 6,339.71, 8,747.04 and 3,650.81

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Solution

The fourth proportional to 6,339.71, 8,747.04 and 3,650.81 is: 5,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.71 : 8,747.04 = 3,650.81 : x
  2. Step 2: Convert to fraction form
    6,339.71/8,747.04 = 3,650.81/x
  3. Step 3: Cross multiply
    6,339.71x = 8,747.04 × 3,650.81
  4. Step 4: Simplify right side
    6,339.71x = 31,933,781.10
  5. Step 5: Solve for x
    x = 31,933,781.10/6,339.71
  6. Step 6: Final answer
    x = 5,037.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.