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Finding the Fourth Proportional to 1,843.39, 2,543.94 and 1,004.11

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Solution

The fourth proportional to 1,843.39, 2,543.94 and 1,004.11 is: 1,385.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.39 : 2,543.94 = 1,004.11 : x
  2. Step 2: Convert to fraction form
    1,843.39/2,543.94 = 1,004.11/x
  3. Step 3: Cross multiply
    1,843.39x = 2,543.94 × 1,004.11
  4. Step 4: Simplify right side
    1,843.39x = 2,554,389.23
  5. Step 5: Solve for x
    x = 2,554,389.23/1,843.39
  6. Step 6: Final answer
    x = 1,385.70

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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.