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Finding the Fourth Proportional to 17,908.83, 26,854.01 and 8,039.65

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Solution

The fourth proportional to 17,908.83, 26,854.01 and 8,039.65 is: 12,055.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.83 : 26,854.01 = 8,039.65 : x
  2. Step 2: Convert to fraction form
    17,908.83/26,854.01 = 8,039.65/x
  3. Step 3: Cross multiply
    17,908.83x = 26,854.01 × 8,039.65
  4. Step 4: Simplify right side
    17,908.83x = 215,896,801.30
  5. Step 5: Solve for x
    x = 215,896,801.30/17,908.83
  6. Step 6: Final answer
    x = 12,055.33

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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.