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Finding the Fourth Proportional to 69,065.84, 103,575.22 and 26,942.60

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Solution

The fourth proportional to 69,065.84, 103,575.22 and 26,942.60 is: 40,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,065.84 : 103,575.22 = 26,942.60 : x
  2. Step 2: Convert to fraction form
    69,065.84/103,575.22 = 26,942.60/x
  3. Step 3: Cross multiply
    69,065.84x = 103,575.22 × 26,942.60
  4. Step 4: Simplify right side
    69,065.84x = 2,790,585,722.37
  5. Step 5: Solve for x
    x = 2,790,585,722.37/69,065.84
  6. Step 6: Final answer
    x = 40,404.72

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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.