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Finding the Fourth Proportional to 17,943.80, 24,762.44 and 9,986.02

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Solution

The fourth proportional to 17,943.80, 24,762.44 and 9,986.02 is: 13,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.80 : 24,762.44 = 9,986.02 : x
  2. Step 2: Convert to fraction form
    17,943.80/24,762.44 = 9,986.02/x
  3. Step 3: Cross multiply
    17,943.80x = 24,762.44 × 9,986.02
  4. Step 4: Simplify right side
    17,943.80x = 247,278,184.15
  5. Step 5: Solve for x
    x = 247,278,184.15/17,943.80
  6. Step 6: Final answer
    x = 13,780.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.