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Finding the Fourth Proportional to 17,371.71, 23,972.93 and 9,413.91

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Solution

The fourth proportional to 17,371.71, 23,972.93 and 9,413.91 is: 12,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.71 : 23,972.93 = 9,413.91 : x
  2. Step 2: Convert to fraction form
    17,371.71/23,972.93 = 9,413.91/x
  3. Step 3: Cross multiply
    17,371.71x = 23,972.93 × 9,413.91
  4. Step 4: Simplify right side
    17,371.71x = 225,678,958.39
  5. Step 5: Solve for x
    x = 225,678,958.39/17,371.71
  6. Step 6: Final answer
    x = 12,991.18

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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.