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Finding the Fourth Proportional to 2,479.56, 3,423.11 and 1,734.17

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Solution

The fourth proportional to 2,479.56, 3,423.11 and 1,734.17 is: 2,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.56 : 3,423.11 = 1,734.17 : x
  2. Step 2: Convert to fraction form
    2,479.56/3,423.11 = 1,734.17/x
  3. Step 3: Cross multiply
    2,479.56x = 3,423.11 × 1,734.17
  4. Step 4: Simplify right side
    2,479.56x = 5,936,228.88
  5. Step 5: Solve for x
    x = 5,936,228.88/2,479.56
  6. Step 6: Final answer
    x = 2,394.07

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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.