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Finding the Fourth Proportional to 3,003.92, 4,144.86 and 1,745.12

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Solution

The fourth proportional to 3,003.92, 4,144.86 and 1,745.12 is: 2,407.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.92 : 4,144.86 = 1,745.12 : x
  2. Step 2: Convert to fraction form
    3,003.92/4,144.86 = 1,745.12/x
  3. Step 3: Cross multiply
    3,003.92x = 4,144.86 × 1,745.12
  4. Step 4: Simplify right side
    3,003.92x = 7,233,278.08
  5. Step 5: Solve for x
    x = 7,233,278.08/3,003.92
  6. Step 6: Final answer
    x = 2,407.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.