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Finding the Fourth Proportional to 795.34, 1,191.84 and 731.71

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Solution

The fourth proportional to 795.34, 1,191.84 and 731.71 is: 1,096.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.34 : 1,191.84 = 731.71 : x
  2. Step 2: Convert to fraction form
    795.34/1,191.84 = 731.71/x
  3. Step 3: Cross multiply
    795.34x = 1,191.84 × 731.71
  4. Step 4: Simplify right side
    795.34x = 872,081.25
  5. Step 5: Solve for x
    x = 872,081.25/795.34
  6. Step 6: Final answer
    x = 1,096.49

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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.