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Finding the Fourth Proportional to 17,950.87, 26,926.32 and 8,078.62

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Solution

The fourth proportional to 17,950.87, 26,926.32 and 8,078.62 is: 12,117.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.87 : 26,926.32 = 8,078.62 : x
  2. Step 2: Convert to fraction form
    17,950.87/26,926.32 = 8,078.62/x
  3. Step 3: Cross multiply
    17,950.87x = 26,926.32 × 8,078.62
  4. Step 4: Simplify right side
    17,950.87x = 217,527,507.28
  5. Step 5: Solve for x
    x = 217,527,507.28/17,950.87
  6. Step 6: Final answer
    x = 12,117.94

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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.