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Finding the Fourth Proportional to 22,373.19, 30,874.21 and 12,301.56

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Solution

The fourth proportional to 22,373.19, 30,874.21 and 12,301.56 is: 16,975.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,373.19 : 30,874.21 = 12,301.56 : x
  2. Step 2: Convert to fraction form
    22,373.19/30,874.21 = 12,301.56/x
  3. Step 3: Cross multiply
    22,373.19x = 30,874.21 × 12,301.56
  4. Step 4: Simplify right side
    22,373.19x = 379,800,854.21
  5. Step 5: Solve for x
    x = 379,800,854.21/22,373.19
  6. Step 6: Final answer
    x = 16,975.71

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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.