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Finding the Fourth Proportional to 17,040.49, 25,575.99 and 8,726.20

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Solution

The fourth proportional to 17,040.49, 25,575.99 and 8,726.20 is: 13,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,040.49 : 25,575.99 = 8,726.20 : x
  2. Step 2: Convert to fraction form
    17,040.49/25,575.99 = 8,726.20/x
  3. Step 3: Cross multiply
    17,040.49x = 25,575.99 × 8,726.20
  4. Step 4: Simplify right side
    17,040.49x = 223,181,203.94
  5. Step 5: Solve for x
    x = 223,181,203.94/17,040.49
  6. Step 6: Final answer
    x = 13,097.11

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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.