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Finding the Fourth Proportional to 17,321.68, 23,904 and 10,951.06

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Solution

The fourth proportional to 17,321.68, 23,904 and 10,951.06 is: 15,112.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,321.68 : 23,904 = 10,951.06 : x
  2. Step 2: Convert to fraction form
    17,321.68/23,904 = 10,951.06/x
  3. Step 3: Cross multiply
    17,321.68x = 23,904 × 10,951.06
  4. Step 4: Simplify right side
    17,321.68x = 261,774,138.24
  5. Step 5: Solve for x
    x = 261,774,138.24/17,321.68
  6. Step 6: Final answer
    x = 15,112.51

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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.