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Finding the Fourth Proportional to 886.67, 1,323.97 and 793.52

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Solution

The fourth proportional to 886.67, 1,323.97 and 793.52 is: 1,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.67 : 1,323.97 = 793.52 : x
  2. Step 2: Convert to fraction form
    886.67/1,323.97 = 793.52/x
  3. Step 3: Cross multiply
    886.67x = 1,323.97 × 793.52
  4. Step 4: Simplify right side
    886.67x = 1,050,592.71
  5. Step 5: Solve for x
    x = 1,050,592.71/886.67
  6. Step 6: Final answer
    x = 1,184.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.