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Finding the Fourth Proportional to 3,663.71, 5,494.02 and 1,442.19

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Solution

The fourth proportional to 3,663.71, 5,494.02 and 1,442.19 is: 2,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.71 : 5,494.02 = 1,442.19 : x
  2. Step 2: Convert to fraction form
    3,663.71/5,494.02 = 1,442.19/x
  3. Step 3: Cross multiply
    3,663.71x = 5,494.02 × 1,442.19
  4. Step 4: Simplify right side
    3,663.71x = 7,923,435.90
  5. Step 5: Solve for x
    x = 7,923,435.90/3,663.71
  6. Step 6: Final answer
    x = 2,162.68

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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.