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Finding the Fourth Proportional to 2,697.87, 4,046.19 and 750.24

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Solution

The fourth proportional to 2,697.87, 4,046.19 and 750.24 is: 1,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.87 : 4,046.19 = 750.24 : x
  2. Step 2: Convert to fraction form
    2,697.87/4,046.19 = 750.24/x
  3. Step 3: Cross multiply
    2,697.87x = 4,046.19 × 750.24
  4. Step 4: Simplify right side
    2,697.87x = 3,035,613.59
  5. Step 5: Solve for x
    x = 3,035,613.59/2,697.87
  6. Step 6: Final answer
    x = 1,125.19

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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.