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Finding the Fourth Proportional to 2,950.16, 4,425.22 and 758.88

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Solution

The fourth proportional to 2,950.16, 4,425.22 and 758.88 is: 1,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.16 : 4,425.22 = 758.88 : x
  2. Step 2: Convert to fraction form
    2,950.16/4,425.22 = 758.88/x
  3. Step 3: Cross multiply
    2,950.16x = 4,425.22 × 758.88
  4. Step 4: Simplify right side
    2,950.16x = 3,358,209.06
  5. Step 5: Solve for x
    x = 3,358,209.06/2,950.16
  6. Step 6: Final answer
    x = 1,138.32

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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.