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Finding the Fourth Proportional to 3,371.51, 4,652.21 and 1,879.22

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Solution

The fourth proportional to 3,371.51, 4,652.21 and 1,879.22 is: 2,593.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.51 : 4,652.21 = 1,879.22 : x
  2. Step 2: Convert to fraction form
    3,371.51/4,652.21 = 1,879.22/x
  3. Step 3: Cross multiply
    3,371.51x = 4,652.21 × 1,879.22
  4. Step 4: Simplify right side
    3,371.51x = 8,742,493.42
  5. Step 5: Solve for x
    x = 8,742,493.42/3,371.51
  6. Step 6: Final answer
    x = 2,593.05

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Why These Related Problems?

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