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Finding the Fourth Proportional to 4,480.85, 6,719.21 and 2,632.83

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Solution

The fourth proportional to 4,480.85, 6,719.21 and 2,632.83 is: 3,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.85 : 6,719.21 = 2,632.83 : x
  2. Step 2: Convert to fraction form
    4,480.85/6,719.21 = 2,632.83/x
  3. Step 3: Cross multiply
    4,480.85x = 6,719.21 × 2,632.83
  4. Step 4: Simplify right side
    4,480.85x = 17,690,544.25
  5. Step 5: Solve for x
    x = 17,690,544.25/4,480.85
  6. Step 6: Final answer
    x = 3,948.04

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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.