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Finding the Fourth Proportional to 2,753.32, 4,125.12 and 1,826.68

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Solution

The fourth proportional to 2,753.32, 4,125.12 and 1,826.68 is: 2,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.32 : 4,125.12 = 1,826.68 : x
  2. Step 2: Convert to fraction form
    2,753.32/4,125.12 = 1,826.68/x
  3. Step 3: Cross multiply
    2,753.32x = 4,125.12 × 1,826.68
  4. Step 4: Simplify right side
    2,753.32x = 7,535,274.20
  5. Step 5: Solve for x
    x = 7,535,274.20/2,753.32
  6. Step 6: Final answer
    x = 2,736.80

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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.