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Finding the Fourth Proportional to 3,985.39, 6,001.34 and 2,952.71

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Solution

The fourth proportional to 3,985.39, 6,001.34 and 2,952.71 is: 4,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.39 : 6,001.34 = 2,952.71 : x
  2. Step 2: Convert to fraction form
    3,985.39/6,001.34 = 2,952.71/x
  3. Step 3: Cross multiply
    3,985.39x = 6,001.34 × 2,952.71
  4. Step 4: Simplify right side
    3,985.39x = 17,720,194.37
  5. Step 5: Solve for x
    x = 17,720,194.37/3,985.39
  6. Step 6: Final answer
    x = 4,446.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.