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Finding the Fourth Proportional to 6,641.22, 9,960.85 and 2,480.71

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Solution

The fourth proportional to 6,641.22, 9,960.85 and 2,480.71 is: 3,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641.22 : 9,960.85 = 2,480.71 : x
  2. Step 2: Convert to fraction form
    6,641.22/9,960.85 = 2,480.71/x
  3. Step 3: Cross multiply
    6,641.22x = 9,960.85 × 2,480.71
  4. Step 4: Simplify right side
    6,641.22x = 24,709,949.10
  5. Step 5: Solve for x
    x = 24,709,949.10/6,641.22
  6. Step 6: Final answer
    x = 3,720.69

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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.