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Finding the Fourth Proportional to 908.18, 1,251.48 and 795.56

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Solution

The fourth proportional to 908.18, 1,251.48 and 795.56 is: 1,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    908.18 : 1,251.48 = 795.56 : x
  2. Step 2: Convert to fraction form
    908.18/1,251.48 = 795.56/x
  3. Step 3: Cross multiply
    908.18x = 1,251.48 × 795.56
  4. Step 4: Simplify right side
    908.18x = 995,627.43
  5. Step 5: Solve for x
    x = 995,627.43/908.18
  6. Step 6: Final answer
    x = 1,096.29

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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.