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Finding the Fourth Proportional to 2,949.27, 4,065.27 and 2,238.81

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Solution

The fourth proportional to 2,949.27, 4,065.27 and 2,238.81 is: 3,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.27 : 4,065.27 = 2,238.81 : x
  2. Step 2: Convert to fraction form
    2,949.27/4,065.27 = 2,238.81/x
  3. Step 3: Cross multiply
    2,949.27x = 4,065.27 × 2,238.81
  4. Step 4: Simplify right side
    2,949.27x = 9,101,367.13
  5. Step 5: Solve for x
    x = 9,101,367.13/2,949.27
  6. Step 6: Final answer
    x = 3,085.97

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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.