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Finding the Fourth Proportional to 3,843.18, 5,764.05 and 1,502.46

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Solution

The fourth proportional to 3,843.18, 5,764.05 and 1,502.46 is: 2,253.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.18 : 5,764.05 = 1,502.46 : x
  2. Step 2: Convert to fraction form
    3,843.18/5,764.05 = 1,502.46/x
  3. Step 3: Cross multiply
    3,843.18x = 5,764.05 × 1,502.46
  4. Step 4: Simplify right side
    3,843.18x = 8,660,254.56
  5. Step 5: Solve for x
    x = 8,660,254.56/3,843.18
  6. Step 6: Final answer
    x = 2,253.41

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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.