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Finding the Fourth Proportional to 3,841.84, 5,304.35 and 2,943.99

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Solution

The fourth proportional to 3,841.84, 5,304.35 and 2,943.99 is: 4,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.84 : 5,304.35 = 2,943.99 : x
  2. Step 2: Convert to fraction form
    3,841.84/5,304.35 = 2,943.99/x
  3. Step 3: Cross multiply
    3,841.84x = 5,304.35 × 2,943.99
  4. Step 4: Simplify right side
    3,841.84x = 15,615,960.72
  5. Step 5: Solve for x
    x = 15,615,960.72/3,841.84
  6. Step 6: Final answer
    x = 4,064.71

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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.