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Finding the Fourth Proportional to 2,853.04, 4,279.52 and 801.04

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Solution

The fourth proportional to 2,853.04, 4,279.52 and 801.04 is: 1,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.04 : 4,279.52 = 801.04 : x
  2. Step 2: Convert to fraction form
    2,853.04/4,279.52 = 801.04/x
  3. Step 3: Cross multiply
    2,853.04x = 4,279.52 × 801.04
  4. Step 4: Simplify right side
    2,853.04x = 3,428,066.70
  5. Step 5: Solve for x
    x = 3,428,066.70/2,853.04
  6. Step 6: Final answer
    x = 1,201.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.