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Finding the Fourth Proportional to 22,690.72, 34,024.56 and 10,372

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Solution

The fourth proportional to 22,690.72, 34,024.56 and 10,372 is: 15,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,690.72 : 34,024.56 = 10,372 : x
  2. Step 2: Convert to fraction form
    22,690.72/34,024.56 = 10,372/x
  3. Step 3: Cross multiply
    22,690.72x = 34,024.56 × 10,372
  4. Step 4: Simplify right side
    22,690.72x = 352,902,736.32
  5. Step 5: Solve for x
    x = 352,902,736.32/22,690.72
  6. Step 6: Final answer
    x = 15,552.73

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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.