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Finding the Fourth Proportional to 7,044.88, 9,722.13 and 3,901.27

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Solution

The fourth proportional to 7,044.88, 9,722.13 and 3,901.27 is: 5,383.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,044.88 : 9,722.13 = 3,901.27 : x
  2. Step 2: Convert to fraction form
    7,044.88/9,722.13 = 3,901.27/x
  3. Step 3: Cross multiply
    7,044.88x = 9,722.13 × 3,901.27
  4. Step 4: Simplify right side
    7,044.88x = 37,928,654.11
  5. Step 5: Solve for x
    x = 37,928,654.11/7,044.88
  6. Step 6: Final answer
    x = 5,383.86

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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.