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Finding the Fourth Proportional to 3,363.95, 5,046.12 and 3,147.81

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Solution

The fourth proportional to 3,363.95, 5,046.12 and 3,147.81 is: 4,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.95 : 5,046.12 = 3,147.81 : x
  2. Step 2: Convert to fraction form
    3,363.95/5,046.12 = 3,147.81/x
  3. Step 3: Cross multiply
    3,363.95x = 5,046.12 × 3,147.81
  4. Step 4: Simplify right side
    3,363.95x = 15,884,227.00
  5. Step 5: Solve for x
    x = 15,884,227.00/3,363.95
  6. Step 6: Final answer
    x = 4,721.90

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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.