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Finding the Fourth Proportional to 1,976.74, 2,962.28 and 1,452.62

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Solution

The fourth proportional to 1,976.74, 2,962.28 and 1,452.62 is: 2,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.74 : 2,962.28 = 1,452.62 : x
  2. Step 2: Convert to fraction form
    1,976.74/2,962.28 = 1,452.62/x
  3. Step 3: Cross multiply
    1,976.74x = 2,962.28 × 1,452.62
  4. Step 4: Simplify right side
    1,976.74x = 4,303,067.17
  5. Step 5: Solve for x
    x = 4,303,067.17/1,976.74
  6. Step 6: Final answer
    x = 2,176.85

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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.