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Finding the Fourth Proportional to 3,446.62, 5,165.36 and 1,253.24

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Solution

The fourth proportional to 3,446.62, 5,165.36 and 1,253.24 is: 1,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.62 : 5,165.36 = 1,253.24 : x
  2. Step 2: Convert to fraction form
    3,446.62/5,165.36 = 1,253.24/x
  3. Step 3: Cross multiply
    3,446.62x = 5,165.36 × 1,253.24
  4. Step 4: Simplify right side
    3,446.62x = 6,473,435.77
  5. Step 5: Solve for x
    x = 6,473,435.77/3,446.62
  6. Step 6: Final answer
    x = 1,878.20

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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.