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Finding the Fourth Proportional to 17,794.80, 26,667.90 and 11,854.80

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Solution

The fourth proportional to 17,794.80, 26,667.90 and 11,854.80 is: 17,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.80 : 26,667.90 = 11,854.80 : x
  2. Step 2: Convert to fraction form
    17,794.80/26,667.90 = 11,854.80/x
  3. Step 3: Cross multiply
    17,794.80x = 26,667.90 × 11,854.80
  4. Step 4: Simplify right side
    17,794.80x = 316,142,620.92
  5. Step 5: Solve for x
    x = 316,142,620.92/17,794.80
  6. Step 6: Final answer
    x = 17,766.01

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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.