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Finding the Fourth Proportional to 22,102.50, 30,479.84 and 14,141.82

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Solution

The fourth proportional to 22,102.50, 30,479.84 and 14,141.82 is: 19,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.50 : 30,479.84 = 14,141.82 : x
  2. Step 2: Convert to fraction form
    22,102.50/30,479.84 = 14,141.82/x
  3. Step 3: Cross multiply
    22,102.50x = 30,479.84 × 14,141.82
  4. Step 4: Simplify right side
    22,102.50x = 431,040,410.91
  5. Step 5: Solve for x
    x = 431,040,410.91/22,102.50
  6. Step 6: Final answer
    x = 19,501.88

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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.