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Finding the Fourth Proportional to 11,092, 15,305.22 and 6,375.40

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Solution

The fourth proportional to 11,092, 15,305.22 and 6,375.40 is: 8,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092 : 15,305.22 = 6,375.40 : x
  2. Step 2: Convert to fraction form
    11,092/15,305.22 = 6,375.40/x
  3. Step 3: Cross multiply
    11,092x = 15,305.22 × 6,375.40
  4. Step 4: Simplify right side
    11,092x = 97,576,899.59
  5. Step 5: Solve for x
    x = 97,576,899.59/11,092
  6. Step 6: Final answer
    x = 8,797.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.