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Finding the Fourth Proportional to 11,253.53, 16,881.16 and 3,857.93

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Solution

The fourth proportional to 11,253.53, 16,881.16 and 3,857.93 is: 5,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.53 : 16,881.16 = 3,857.93 : x
  2. Step 2: Convert to fraction form
    11,253.53/16,881.16 = 3,857.93/x
  3. Step 3: Cross multiply
    11,253.53x = 16,881.16 × 3,857.93
  4. Step 4: Simplify right side
    11,253.53x = 65,126,310.09
  5. Step 5: Solve for x
    x = 65,126,310.09/11,253.53
  6. Step 6: Final answer
    x = 5,787.19

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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.