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Finding the Fourth Proportional to 932.06, 1,396.77 and 736.20

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Solution

The fourth proportional to 932.06, 1,396.77 and 736.20 is: 1,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    932.06 : 1,396.77 = 736.20 : x
  2. Step 2: Convert to fraction form
    932.06/1,396.77 = 736.20/x
  3. Step 3: Cross multiply
    932.06x = 1,396.77 × 736.20
  4. Step 4: Simplify right side
    932.06x = 1,028,296.93
  5. Step 5: Solve for x
    x = 1,028,296.93/932.06
  6. Step 6: Final answer
    x = 1,103.26

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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.