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Finding the Fourth Proportional to 2,494.50, 3,739.70 and 1,034.70

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Solution

The fourth proportional to 2,494.50, 3,739.70 and 1,034.70 is: 1,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,494.50 : 3,739.70 = 1,034.70 : x
  2. Step 2: Convert to fraction form
    2,494.50/3,739.70 = 1,034.70/x
  3. Step 3: Cross multiply
    2,494.50x = 3,739.70 × 1,034.70
  4. Step 4: Simplify right side
    2,494.50x = 3,869,470.18
  5. Step 5: Solve for x
    x = 3,869,470.18/2,494.50
  6. Step 6: Final answer
    x = 1,551.20

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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.