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Finding the Fourth Proportional to 69,594.66, 96,040.62 and 39,379.30

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Solution

The fourth proportional to 69,594.66, 96,040.62 and 39,379.30 is: 54,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,594.66 : 96,040.62 = 39,379.30 : x
  2. Step 2: Convert to fraction form
    69,594.66/96,040.62 = 39,379.30/x
  3. Step 3: Cross multiply
    69,594.66x = 96,040.62 × 39,379.30
  4. Step 4: Simplify right side
    69,594.66x = 3,782,012,147.06
  5. Step 5: Solve for x
    x = 3,782,012,147.06/69,594.66
  6. Step 6: Final answer
    x = 54,343.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.