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Finding the Fourth Proportional to 69,697.71, 96,179.94 and 37,865.79

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Solution

The fourth proportional to 69,697.71, 96,179.94 and 37,865.79 is: 52,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,697.71 : 96,179.94 = 37,865.79 : x
  2. Step 2: Convert to fraction form
    69,697.71/96,179.94 = 37,865.79/x
  3. Step 3: Cross multiply
    69,697.71x = 96,179.94 × 37,865.79
  4. Step 4: Simplify right side
    69,697.71x = 3,641,929,410.25
  5. Step 5: Solve for x
    x = 3,641,929,410.25/69,697.71
  6. Step 6: Final answer
    x = 52,253.21

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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.