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Finding the Fourth Proportional to 3,639.47, 5,024.47 and 2,446.19

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Solution

The fourth proportional to 3,639.47, 5,024.47 and 2,446.19 is: 3,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.47 : 5,024.47 = 2,446.19 : x
  2. Step 2: Convert to fraction form
    3,639.47/5,024.47 = 2,446.19/x
  3. Step 3: Cross multiply
    3,639.47x = 5,024.47 × 2,446.19
  4. Step 4: Simplify right side
    3,639.47x = 12,290,814.71
  5. Step 5: Solve for x
    x = 12,290,814.71/3,639.47
  6. Step 6: Final answer
    x = 3,377.09

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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.