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Finding the Fourth Proportional to 11,773.31, 17,642.68 and 5,921.87

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Solution

The fourth proportional to 11,773.31, 17,642.68 and 5,921.87 is: 8,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,773.31 : 17,642.68 = 5,921.87 : x
  2. Step 2: Convert to fraction form
    11,773.31/17,642.68 = 5,921.87/x
  3. Step 3: Cross multiply
    11,773.31x = 17,642.68 × 5,921.87
  4. Step 4: Simplify right side
    11,773.31x = 104,477,554.39
  5. Step 5: Solve for x
    x = 104,477,554.39/11,773.31
  6. Step 6: Final answer
    x = 8,874.11

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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.