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Finding the Fourth Proportional to 17,371.40, 23,972.36 and 9,413.48

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Solution

The fourth proportional to 17,371.40, 23,972.36 and 9,413.48 is: 12,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.40 : 23,972.36 = 9,413.48 : x
  2. Step 2: Convert to fraction form
    17,371.40/23,972.36 = 9,413.48/x
  3. Step 3: Cross multiply
    17,371.40x = 23,972.36 × 9,413.48
  4. Step 4: Simplify right side
    17,371.40x = 225,663,344.28
  5. Step 5: Solve for x
    x = 225,663,344.28/17,371.40
  6. Step 6: Final answer
    x = 12,990.51

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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.