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Finding the Fourth Proportional to 8,744.14, 12,067.14 and 5,159.28

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Solution

The fourth proportional to 8,744.14, 12,067.14 and 5,159.28 is: 7,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.14 : 12,067.14 = 5,159.28 : x
  2. Step 2: Convert to fraction form
    8,744.14/12,067.14 = 5,159.28/x
  3. Step 3: Cross multiply
    8,744.14x = 12,067.14 × 5,159.28
  4. Step 4: Simplify right side
    8,744.14x = 62,257,754.06
  5. Step 5: Solve for x
    x = 62,257,754.06/8,744.14
  6. Step 6: Final answer
    x = 7,119.94

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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.