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Finding the Fourth Proportional to 2,363.13, 3,544.84 and 719.79

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Solution

The fourth proportional to 2,363.13, 3,544.84 and 719.79 is: 1,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,363.13 : 3,544.84 = 719.79 : x
  2. Step 2: Convert to fraction form
    2,363.13/3,544.84 = 719.79/x
  3. Step 3: Cross multiply
    2,363.13x = 3,544.84 × 719.79
  4. Step 4: Simplify right side
    2,363.13x = 2,551,540.38
  5. Step 5: Solve for x
    x = 2,551,540.38/2,363.13
  6. Step 6: Final answer
    x = 1,079.73

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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.