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Finding the Fourth Proportional to 17,680.29, 26,484.91 and 8,179.29

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Solution

The fourth proportional to 17,680.29, 26,484.91 and 8,179.29 is: 12,252.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.29 : 26,484.91 = 8,179.29 : x
  2. Step 2: Convert to fraction form
    17,680.29/26,484.91 = 8,179.29/x
  3. Step 3: Cross multiply
    17,680.29x = 26,484.91 × 8,179.29
  4. Step 4: Simplify right side
    17,680.29x = 216,627,759.51
  5. Step 5: Solve for x
    x = 216,627,759.51/17,680.29
  6. Step 6: Final answer
    x = 12,252.50

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1.5x scale

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.