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Finding the Fourth Proportional to 3,101.47, 4,652.21 and 792.97

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Solution

The fourth proportional to 3,101.47, 4,652.21 and 792.97 is: 1,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.47 : 4,652.21 = 792.97 : x
  2. Step 2: Convert to fraction form
    3,101.47/4,652.21 = 792.97/x
  3. Step 3: Cross multiply
    3,101.47x = 4,652.21 × 792.97
  4. Step 4: Simplify right side
    3,101.47x = 3,689,062.96
  5. Step 5: Solve for x
    x = 3,689,062.96/3,101.47
  6. Step 6: Final answer
    x = 1,189.46

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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.