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Finding the Fourth Proportional to 3,966.69, 5,474.04 and 2,394.80

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Solution

The fourth proportional to 3,966.69, 5,474.04 and 2,394.80 is: 3,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.69 : 5,474.04 = 2,394.80 : x
  2. Step 2: Convert to fraction form
    3,966.69/5,474.04 = 2,394.80/x
  3. Step 3: Cross multiply
    3,966.69x = 5,474.04 × 2,394.80
  4. Step 4: Simplify right side
    3,966.69x = 13,109,203.62
  5. Step 5: Solve for x
    x = 13,109,203.62/3,966.69
  6. Step 6: Final answer
    x = 3,304.82

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1.5x scale

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.