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Finding the Fourth Proportional to 2,532.26, 3,798.96 and 800.78

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Solution

The fourth proportional to 2,532.26, 3,798.96 and 800.78 is: 1,201.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,532.26 : 3,798.96 = 800.78 : x
  2. Step 2: Convert to fraction form
    2,532.26/3,798.96 = 800.78/x
  3. Step 3: Cross multiply
    2,532.26x = 3,798.96 × 800.78
  4. Step 4: Simplify right side
    2,532.26x = 3,042,131.19
  5. Step 5: Solve for x
    x = 3,042,131.19/2,532.26
  6. Step 6: Final answer
    x = 1,201.35

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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.