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Finding the Fourth Proportional to 2,950.52, 4,425.80 and 759.26

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Solution

The fourth proportional to 2,950.52, 4,425.80 and 759.26 is: 1,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.52 : 4,425.80 = 759.26 : x
  2. Step 2: Convert to fraction form
    2,950.52/4,425.80 = 759.26/x
  3. Step 3: Cross multiply
    2,950.52x = 4,425.80 × 759.26
  4. Step 4: Simplify right side
    2,950.52x = 3,360,340.18
  5. Step 5: Solve for x
    x = 3,360,340.18/2,950.52
  6. Step 6: Final answer
    x = 1,138.90

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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.