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Finding the Fourth Proportional to 17,952.87, 26,929.32 and 8,080.62

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Solution

The fourth proportional to 17,952.87, 26,929.32 and 8,080.62 is: 12,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,952.87 : 26,929.32 = 8,080.62 : x
  2. Step 2: Convert to fraction form
    17,952.87/26,929.32 = 8,080.62/x
  3. Step 3: Cross multiply
    17,952.87x = 26,929.32 × 8,080.62
  4. Step 4: Simplify right side
    17,952.87x = 217,605,601.78
  5. Step 5: Solve for x
    x = 217,605,601.78/17,952.87
  6. Step 6: Final answer
    x = 12,120.94

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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.