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Finding the Fourth Proportional to 18,808.62, 26,074.73 and 17,809.92

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Solution

The fourth proportional to 18,808.62, 26,074.73 and 17,809.92 is: 24,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,808.62 : 26,074.73 = 17,809.92 : x
  2. Step 2: Convert to fraction form
    18,808.62/26,074.73 = 17,809.92/x
  3. Step 3: Cross multiply
    18,808.62x = 26,074.73 × 17,809.92
  4. Step 4: Simplify right side
    18,808.62x = 464,388,766.27
  5. Step 5: Solve for x
    x = 464,388,766.27/18,808.62
  6. Step 6: Final answer
    x = 24,690.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.