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Finding the Fourth Proportional to 20,674.42, 31,011.98 and 5,883.72

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Solution

The fourth proportional to 20,674.42, 31,011.98 and 5,883.72 is: 8,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674.42 : 31,011.98 = 5,883.72 : x
  2. Step 2: Convert to fraction form
    20,674.42/31,011.98 = 5,883.72/x
  3. Step 3: Cross multiply
    20,674.42x = 31,011.98 × 5,883.72
  4. Step 4: Simplify right side
    20,674.42x = 182,465,806.97
  5. Step 5: Solve for x
    x = 182,465,806.97/20,674.42
  6. Step 6: Final answer
    x = 8,825.68

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