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Finding the Fourth Proportional to 37,243.80, 55,866.31 and 9,163.94

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Solution

The fourth proportional to 37,243.80, 55,866.31 and 9,163.94 is: 13,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,243.80 : 55,866.31 = 9,163.94 : x
  2. Step 2: Convert to fraction form
    37,243.80/55,866.31 = 9,163.94/x
  3. Step 3: Cross multiply
    37,243.80x = 55,866.31 × 9,163.94
  4. Step 4: Simplify right side
    37,243.80x = 511,955,210.62
  5. Step 5: Solve for x
    x = 511,955,210.62/37,243.80
  6. Step 6: Final answer
    x = 13,746.05

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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.