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Finding the Fourth Proportional to 69,578.92, 96,018.66 and 37,747.24

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Solution

The fourth proportional to 69,578.92, 96,018.66 and 37,747.24 is: 52,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,578.92 : 96,018.66 = 37,747.24 : x
  2. Step 2: Convert to fraction form
    69,578.92/96,018.66 = 37,747.24/x
  3. Step 3: Cross multiply
    69,578.92x = 96,018.66 × 37,747.24
  4. Step 4: Simplify right side
    69,578.92x = 3,624,439,403.50
  5. Step 5: Solve for x
    x = 3,624,439,403.50/69,578.92
  6. Step 6: Final answer
    x = 52,091.06

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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.