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Finding the Fourth Proportional to 17,469.80, 26,215.50 and 7,081.64

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Solution

The fourth proportional to 17,469.80, 26,215.50 and 7,081.64 is: 10,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.80 : 26,215.50 = 7,081.64 : x
  2. Step 2: Convert to fraction form
    17,469.80/26,215.50 = 7,081.64/x
  3. Step 3: Cross multiply
    17,469.80x = 26,215.50 × 7,081.64
  4. Step 4: Simplify right side
    17,469.80x = 185,648,733.42
  5. Step 5: Solve for x
    x = 185,648,733.42/17,469.80
  6. Step 6: Final answer
    x = 10,626.84

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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.