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Finding the Fourth Proportional to 2,976.84, 4,465.26 and 1,244.52

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Solution

The fourth proportional to 2,976.84, 4,465.26 and 1,244.52 is: 1,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.84 : 4,465.26 = 1,244.52 : x
  2. Step 2: Convert to fraction form
    2,976.84/4,465.26 = 1,244.52/x
  3. Step 3: Cross multiply
    2,976.84x = 4,465.26 × 1,244.52
  4. Step 4: Simplify right side
    2,976.84x = 5,557,105.38
  5. Step 5: Solve for x
    x = 5,557,105.38/2,976.84
  6. Step 6: Final answer
    x = 1,866.78

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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.