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Finding the Fourth Proportional to 11,251.26, 16,868.79 and 7,036.02

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Solution

The fourth proportional to 11,251.26, 16,868.79 and 7,036.02 is: 10,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.26 : 16,868.79 = 7,036.02 : x
  2. Step 2: Convert to fraction form
    11,251.26/16,868.79 = 7,036.02/x
  3. Step 3: Cross multiply
    11,251.26x = 16,868.79 × 7,036.02
  4. Step 4: Simplify right side
    11,251.26x = 118,689,143.82
  5. Step 5: Solve for x
    x = 118,689,143.82/11,251.26
  6. Step 6: Final answer
    x = 10,548.96

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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.