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Finding the Fourth Proportional to 17,255.19, 25,889.51 and 6,867.99

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Solution

The fourth proportional to 17,255.19, 25,889.51 and 6,867.99 is: 10,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.19 : 25,889.51 = 6,867.99 : x
  2. Step 2: Convert to fraction form
    17,255.19/25,889.51 = 6,867.99/x
  3. Step 3: Cross multiply
    17,255.19x = 25,889.51 × 6,867.99
  4. Step 4: Simplify right side
    17,255.19x = 177,808,895.78
  5. Step 5: Solve for x
    x = 177,808,895.78/17,255.19
  6. Step 6: Final answer
    x = 10,304.66

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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.