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Finding the Fourth Proportional to 17,918.23, 24,726.98 and 9,960.29

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Solution

The fourth proportional to 17,918.23, 24,726.98 and 9,960.29 is: 13,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.23 : 24,726.98 = 9,960.29 : x
  2. Step 2: Convert to fraction form
    17,918.23/24,726.98 = 9,960.29/x
  3. Step 3: Cross multiply
    17,918.23x = 24,726.98 × 9,960.29
  4. Step 4: Simplify right side
    17,918.23x = 246,287,891.62
  5. Step 5: Solve for x
    x = 246,287,891.62/17,918.23
  6. Step 6: Final answer
    x = 13,745.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.