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Finding the Fourth Proportional to 3,649.71, 5,036.18 and 2,077.59

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Solution

The fourth proportional to 3,649.71, 5,036.18 and 2,077.59 is: 2,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.71 : 5,036.18 = 2,077.59 : x
  2. Step 2: Convert to fraction form
    3,649.71/5,036.18 = 2,077.59/x
  3. Step 3: Cross multiply
    3,649.71x = 5,036.18 × 2,077.59
  4. Step 4: Simplify right side
    3,649.71x = 10,463,106.82
  5. Step 5: Solve for x
    x = 10,463,106.82/3,649.71
  6. Step 6: Final answer
    x = 2,866.83

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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.