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Finding the Fourth Proportional to 37,147.48, 55,721.02 and 9,067.68

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Solution

The fourth proportional to 37,147.48, 55,721.02 and 9,067.68 is: 13,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,147.48 : 55,721.02 = 9,067.68 : x
  2. Step 2: Convert to fraction form
    37,147.48/55,721.02 = 9,067.68/x
  3. Step 3: Cross multiply
    37,147.48x = 55,721.02 × 9,067.68
  4. Step 4: Simplify right side
    37,147.48x = 505,260,283.32
  5. Step 5: Solve for x
    x = 505,260,283.32/37,147.48
  6. Step 6: Final answer
    x = 13,601.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.