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Finding the Fourth Proportional to 17,689.88, 24,413.20 and 10,517.88

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Solution

The fourth proportional to 17,689.88, 24,413.20 and 10,517.88 is: 14,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.88 : 24,413.20 = 10,517.88 : x
  2. Step 2: Convert to fraction form
    17,689.88/24,413.20 = 10,517.88/x
  3. Step 3: Cross multiply
    17,689.88x = 24,413.20 × 10,517.88
  4. Step 4: Simplify right side
    17,689.88x = 256,775,108.02
  5. Step 5: Solve for x
    x = 256,775,108.02/17,689.88
  6. Step 6: Final answer
    x = 14,515.37

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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.