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Finding the Fourth Proportional to 11,369.01, 15,687.81 and 6,333

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Solution

The fourth proportional to 11,369.01, 15,687.81 and 6,333 is: 8,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.01 : 15,687.81 = 6,333 : x
  2. Step 2: Convert to fraction form
    11,369.01/15,687.81 = 6,333/x
  3. Step 3: Cross multiply
    11,369.01x = 15,687.81 × 6,333
  4. Step 4: Simplify right side
    11,369.01x = 99,350,900.73
  5. Step 5: Solve for x
    x = 99,350,900.73/11,369.01
  6. Step 6: Final answer
    x = 8,738.75

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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.