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Finding the Fourth Proportional to 17,104.36, 25,655.78 and 5,257.65

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Solution

The fourth proportional to 17,104.36, 25,655.78 and 5,257.65 is: 7,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.36 : 25,655.78 = 5,257.65 : x
  2. Step 2: Convert to fraction form
    17,104.36/25,655.78 = 5,257.65/x
  3. Step 3: Cross multiply
    17,104.36x = 25,655.78 × 5,257.65
  4. Step 4: Simplify right side
    17,104.36x = 134,889,085.43
  5. Step 5: Solve for x
    x = 134,889,085.43/17,104.36
  6. Step 6: Final answer
    x = 7,886.24

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.