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Finding the Fourth Proportional to 69,395.65, 104,029.69 and 25,011.54

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Solution

The fourth proportional to 69,395.65, 104,029.69 and 25,011.54 is: 37,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,395.65 : 104,029.69 = 25,011.54 : x
  2. Step 2: Convert to fraction form
    69,395.65/104,029.69 = 25,011.54/x
  3. Step 3: Cross multiply
    69,395.65x = 104,029.69 × 25,011.54
  4. Step 4: Simplify right side
    69,395.65x = 2,601,942,752.62
  5. Step 5: Solve for x
    x = 2,601,942,752.62/69,395.65
  6. Step 6: Final answer
    x = 37,494.32

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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.