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Finding the Fourth Proportional to 2,756, 3,803.52 and 1,514.24

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Solution

The fourth proportional to 2,756, 3,803.52 and 1,514.24 is: 2,089.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756 : 3,803.52 = 1,514.24 : x
  2. Step 2: Convert to fraction form
    2,756/3,803.52 = 1,514.24/x
  3. Step 3: Cross multiply
    2,756x = 3,803.52 × 1,514.24
  4. Step 4: Simplify right side
    2,756x = 5,759,442.12
  5. Step 5: Solve for x
    x = 5,759,442.12/2,756
  6. Step 6: Final answer
    x = 2,089.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.