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Finding the Fourth Proportional to 25,914.78, 38,872.98 and 7,195.01

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Solution

The fourth proportional to 25,914.78, 38,872.98 and 7,195.01 is: 10,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,914.78 : 38,872.98 = 7,195.01 : x
  2. Step 2: Convert to fraction form
    25,914.78/38,872.98 = 7,195.01/x
  3. Step 3: Cross multiply
    25,914.78x = 38,872.98 × 7,195.01
  4. Step 4: Simplify right side
    25,914.78x = 279,691,285.46
  5. Step 5: Solve for x
    x = 279,691,285.46/25,914.78
  6. Step 6: Final answer
    x = 10,792.73

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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.