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Finding the Fourth Proportional to 2,036.80, 3,057.20 and 1,063.68

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Solution

The fourth proportional to 2,036.80, 3,057.20 and 1,063.68 is: 1,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.80 : 3,057.20 = 1,063.68 : x
  2. Step 2: Convert to fraction form
    2,036.80/3,057.20 = 1,063.68/x
  3. Step 3: Cross multiply
    2,036.80x = 3,057.20 × 1,063.68
  4. Step 4: Simplify right side
    2,036.80x = 3,251,882.50
  5. Step 5: Solve for x
    x = 3,251,882.50/2,036.80
  6. Step 6: Final answer
    x = 1,596.56

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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.