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Finding the Fourth Proportional to 3,342.87, 5,016.13 and 2,997.81

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Solution

The fourth proportional to 3,342.87, 5,016.13 and 2,997.81 is: 4,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.87 : 5,016.13 = 2,997.81 : x
  2. Step 2: Convert to fraction form
    3,342.87/5,016.13 = 2,997.81/x
  3. Step 3: Cross multiply
    3,342.87x = 5,016.13 × 2,997.81
  4. Step 4: Simplify right side
    3,342.87x = 15,037,397.18
  5. Step 5: Solve for x
    x = 15,037,397.18/3,342.87
  6. Step 6: Final answer
    x = 4,498.35

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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.