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Finding the Fourth Proportional to 17,876.69, 26,815.07 and 7,339.37

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Solution

The fourth proportional to 17,876.69, 26,815.07 and 7,339.37 is: 11,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.69 : 26,815.07 = 7,339.37 : x
  2. Step 2: Convert to fraction form
    17,876.69/26,815.07 = 7,339.37/x
  3. Step 3: Cross multiply
    17,876.69x = 26,815.07 × 7,339.37
  4. Step 4: Simplify right side
    17,876.69x = 196,805,549.53
  5. Step 5: Solve for x
    x = 196,805,549.53/17,876.69
  6. Step 6: Final answer
    x = 11,009.06

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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.