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Finding the Fourth Proportional to 11,001, 16,488.92 and 4,422.98

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Solution

The fourth proportional to 11,001, 16,488.92 and 4,422.98 is: 6,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001 : 16,488.92 = 4,422.98 : x
  2. Step 2: Convert to fraction form
    11,001/16,488.92 = 4,422.98/x
  3. Step 3: Cross multiply
    11,001x = 16,488.92 × 4,422.98
  4. Step 4: Simplify right side
    11,001x = 72,930,163.38
  5. Step 5: Solve for x
    x = 72,930,163.38/11,001
  6. Step 6: Final answer
    x = 6,629.41

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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.