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Finding the Fourth Proportional to 2,478.18, 3,713.18 and 1,744.18

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Solution

The fourth proportional to 2,478.18, 3,713.18 and 1,744.18 is: 2,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.18 : 3,713.18 = 1,744.18 : x
  2. Step 2: Convert to fraction form
    2,478.18/3,713.18 = 1,744.18/x
  3. Step 3: Cross multiply
    2,478.18x = 3,713.18 × 1,744.18
  4. Step 4: Simplify right side
    2,478.18x = 6,476,454.29
  5. Step 5: Solve for x
    x = 6,476,454.29/2,478.18
  6. Step 6: Final answer
    x = 2,613.39

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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.