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Finding the Fourth Proportional to 69,478.21, 95,879.32 and 37,647.37

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Solution

The fourth proportional to 69,478.21, 95,879.32 and 37,647.37 is: 51,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478.21 : 95,879.32 = 37,647.37 : x
  2. Step 2: Convert to fraction form
    69,478.21/95,879.32 = 37,647.37/x
  3. Step 3: Cross multiply
    69,478.21x = 95,879.32 × 37,647.37
  4. Step 4: Simplify right side
    69,478.21x = 3,609,604,235.39
  5. Step 5: Solve for x
    x = 3,609,604,235.39/69,478.21
  6. Step 6: Final answer
    x = 51,953.04

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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.