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Finding the Fourth Proportional to 1,843.74, 2,543.13 and 1,470.06

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Solution

The fourth proportional to 1,843.74, 2,543.13 and 1,470.06 is: 2,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.74 : 2,543.13 = 1,470.06 : x
  2. Step 2: Convert to fraction form
    1,843.74/2,543.13 = 1,470.06/x
  3. Step 3: Cross multiply
    1,843.74x = 2,543.13 × 1,470.06
  4. Step 4: Simplify right side
    1,843.74x = 3,738,553.69
  5. Step 5: Solve for x
    x = 3,738,553.69/1,843.74
  6. Step 6: Final answer
    x = 2,027.70

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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.