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Finding the Fourth Proportional to 17,904.38, 26,872.98 and 9,593.78

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Solution

The fourth proportional to 17,904.38, 26,872.98 and 9,593.78 is: 14,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904.38 : 26,872.98 = 9,593.78 : x
  2. Step 2: Convert to fraction form
    17,904.38/26,872.98 = 9,593.78/x
  3. Step 3: Cross multiply
    17,904.38x = 26,872.98 × 9,593.78
  4. Step 4: Simplify right side
    17,904.38x = 257,813,458.06
  5. Step 5: Solve for x
    x = 257,813,458.06/17,904.38
  6. Step 6: Final answer
    x = 14,399.46

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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.