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Finding the Fourth Proportional to 17,366.79, 23,971.62 and 11,079.16

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Solution

The fourth proportional to 17,366.79, 23,971.62 and 11,079.16 is: 15,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,366.79 : 23,971.62 = 11,079.16 : x
  2. Step 2: Convert to fraction form
    17,366.79/23,971.62 = 11,079.16/x
  3. Step 3: Cross multiply
    17,366.79x = 23,971.62 × 11,079.16
  4. Step 4: Simplify right side
    17,366.79x = 265,585,413.44
  5. Step 5: Solve for x
    x = 265,585,413.44/17,366.79
  6. Step 6: Final answer
    x = 15,292.72

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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.