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Finding the Fourth Proportional to 3,394.59, 5,085.54 and 2,003.79

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Solution

The fourth proportional to 3,394.59, 5,085.54 and 2,003.79 is: 3,001.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.59 : 5,085.54 = 2,003.79 : x
  2. Step 2: Convert to fraction form
    3,394.59/5,085.54 = 2,003.79/x
  3. Step 3: Cross multiply
    3,394.59x = 5,085.54 × 2,003.79
  4. Step 4: Simplify right side
    3,394.59x = 10,190,354.20
  5. Step 5: Solve for x
    x = 10,190,354.20/3,394.59
  6. Step 6: Final answer
    x = 3,001.94

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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.