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Finding the Fourth Proportional to 17,960.66, 26,941.00 and 5,480.75

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Solution

The fourth proportional to 17,960.66, 26,941.00 and 5,480.75 is: 8,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,960.66 : 26,941.00 = 5,480.75 : x
  2. Step 2: Convert to fraction form
    17,960.66/26,941.00 = 5,480.75/x
  3. Step 3: Cross multiply
    17,960.66x = 26,941.00 × 5,480.75
  4. Step 4: Simplify right side
    17,960.66x = 147,656,979.93
  5. Step 5: Solve for x
    x = 147,656,979.93/17,960.66
  6. Step 6: Final answer
    x = 8,221.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.