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Finding the Fourth Proportional to 34,747.40, 52,121.10 and 17,251.40

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Solution

The fourth proportional to 34,747.40, 52,121.10 and 17,251.40 is: 25,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.40 : 52,121.10 = 17,251.40 : x
  2. Step 2: Convert to fraction form
    34,747.40/52,121.10 = 17,251.40/x
  3. Step 3: Cross multiply
    34,747.40x = 52,121.10 × 17,251.40
  4. Step 4: Simplify right side
    34,747.40x = 899,161,944.54
  5. Step 5: Solve for x
    x = 899,161,944.54/34,747.40
  6. Step 6: Final answer
    x = 25,877.10

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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.