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Finding the Fourth Proportional to 17,764.18, 26,636.47 and 7,231.50

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Solution

The fourth proportional to 17,764.18, 26,636.47 and 7,231.50 is: 10,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,764.18 : 26,636.47 = 7,231.50 : x
  2. Step 2: Convert to fraction form
    17,764.18/26,636.47 = 7,231.50/x
  3. Step 3: Cross multiply
    17,764.18x = 26,636.47 × 7,231.50
  4. Step 4: Simplify right side
    17,764.18x = 192,621,614.73
  5. Step 5: Solve for x
    x = 192,621,614.73/17,764.18
  6. Step 6: Final answer
    x = 10,843.26

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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.