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Finding the Fourth Proportional to 69,036.36, 103,593.87 and 26,910.96

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Solution

The fourth proportional to 69,036.36, 103,593.87 and 26,910.96 is: 40,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,036.36 : 103,593.87 = 26,910.96 : x
  2. Step 2: Convert to fraction form
    69,036.36/103,593.87 = 26,910.96/x
  3. Step 3: Cross multiply
    69,036.36x = 103,593.87 × 26,910.96
  4. Step 4: Simplify right side
    69,036.36x = 2,787,810,491.82
  5. Step 5: Solve for x
    x = 2,787,810,491.82/69,036.36
  6. Step 6: Final answer
    x = 40,381.77

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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.