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Finding the Fourth Proportional to 1,341.87, 1,853.97 and 1,044.19

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Solution

The fourth proportional to 1,341.87, 1,853.97 and 1,044.19 is: 1,442.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.87 : 1,853.97 = 1,044.19 : x
  2. Step 2: Convert to fraction form
    1,341.87/1,853.97 = 1,044.19/x
  3. Step 3: Cross multiply
    1,341.87x = 1,853.97 × 1,044.19
  4. Step 4: Simplify right side
    1,341.87x = 1,935,896.93
  5. Step 5: Solve for x
    x = 1,935,896.93/1,341.87
  6. Step 6: Final answer
    x = 1,442.69

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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.