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Finding the Fourth Proportional to 2,744.88, 4,120.88 and 2,357.39

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Solution

The fourth proportional to 2,744.88, 4,120.88 and 2,357.39 is: 3,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.88 : 4,120.88 = 2,357.39 : x
  2. Step 2: Convert to fraction form
    2,744.88/4,120.88 = 2,357.39/x
  3. Step 3: Cross multiply
    2,744.88x = 4,120.88 × 2,357.39
  4. Step 4: Simplify right side
    2,744.88x = 9,714,488.91
  5. Step 5: Solve for x
    x = 9,714,488.91/2,744.88
  6. Step 6: Final answer
    x = 3,539.13

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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.