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Finding the Fourth Proportional to 2,177.92, 3,253.76 and 1,736.32

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Solution

The fourth proportional to 2,177.92, 3,253.76 and 1,736.32 is: 2,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.92 : 3,253.76 = 1,736.32 : x
  2. Step 2: Convert to fraction form
    2,177.92/3,253.76 = 1,736.32/x
  3. Step 3: Cross multiply
    2,177.92x = 3,253.76 × 1,736.32
  4. Step 4: Simplify right side
    2,177.92x = 5,649,568.56
  5. Step 5: Solve for x
    x = 5,649,568.56/2,177.92
  6. Step 6: Final answer
    x = 2,594.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.