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Finding the Fourth Proportional to 3,101.44, 4,652.16 and 793.12

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Solution

The fourth proportional to 3,101.44, 4,652.16 and 793.12 is: 1,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.44 : 4,652.16 = 793.12 : x
  2. Step 2: Convert to fraction form
    3,101.44/4,652.16 = 793.12/x
  3. Step 3: Cross multiply
    3,101.44x = 4,652.16 × 793.12
  4. Step 4: Simplify right side
    3,101.44x = 3,689,721.14
  5. Step 5: Solve for x
    x = 3,689,721.14/3,101.44
  6. Step 6: Final answer
    x = 1,189.68

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Similar ratio
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1.5x scale

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.