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Finding the Fourth Proportional to 2,767.53, 3,819.13 and 1,508.59

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Solution

The fourth proportional to 2,767.53, 3,819.13 and 1,508.59 is: 2,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.53 : 3,819.13 = 1,508.59 : x
  2. Step 2: Convert to fraction form
    2,767.53/3,819.13 = 1,508.59/x
  3. Step 3: Cross multiply
    2,767.53x = 3,819.13 × 1,508.59
  4. Step 4: Simplify right side
    2,767.53x = 5,761,501.33
  5. Step 5: Solve for x
    x = 5,761,501.33/2,767.53
  6. Step 6: Final answer
    x = 2,081.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.