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Finding the Fourth Proportional to 29,708.80, 44,474.88 and 17,986.56

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Solution

The fourth proportional to 29,708.80, 44,474.88 and 17,986.56 is: 26,926.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,708.80 : 44,474.88 = 17,986.56 : x
  2. Step 2: Convert to fraction form
    29,708.80/44,474.88 = 17,986.56/x
  3. Step 3: Cross multiply
    29,708.80x = 44,474.88 × 17,986.56
  4. Step 4: Simplify right side
    29,708.80x = 799,950,097.61
  5. Step 5: Solve for x
    x = 799,950,097.61/29,708.80
  6. Step 6: Final answer
    x = 26,926.37

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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.