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Finding the Fourth Proportional to 2,295.92, 3,168.33 and 1,247.97

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Solution

The fourth proportional to 2,295.92, 3,168.33 and 1,247.97 is: 1,722.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.92 : 3,168.33 = 1,247.97 : x
  2. Step 2: Convert to fraction form
    2,295.92/3,168.33 = 1,247.97/x
  3. Step 3: Cross multiply
    2,295.92x = 3,168.33 × 1,247.97
  4. Step 4: Simplify right side
    2,295.92x = 3,953,980.79
  5. Step 5: Solve for x
    x = 3,953,980.79/2,295.92
  6. Step 6: Final answer
    x = 1,722.18

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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.