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Finding the Fourth Proportional to 11,370.76, 17,067.20 and 6,996.76

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Solution

The fourth proportional to 11,370.76, 17,067.20 and 6,996.76 is: 10,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.76 : 17,067.20 = 6,996.76 : x
  2. Step 2: Convert to fraction form
    11,370.76/17,067.20 = 6,996.76/x
  3. Step 3: Cross multiply
    11,370.76x = 17,067.20 × 6,996.76
  4. Step 4: Simplify right side
    11,370.76x = 119,415,102.27
  5. Step 5: Solve for x
    x = 119,415,102.27/11,370.76
  6. Step 6: Final answer
    x = 10,501.95

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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.