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Finding the Fourth Proportional to 69,653.52, 104,431.68 and 27,502.74

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Solution

The fourth proportional to 69,653.52, 104,431.68 and 27,502.74 is: 41,234.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,653.52 : 104,431.68 = 27,502.74 : x
  2. Step 2: Convert to fraction form
    69,653.52/104,431.68 = 27,502.74/x
  3. Step 3: Cross multiply
    69,653.52x = 104,431.68 × 27,502.74
  4. Step 4: Simplify right side
    69,653.52x = 2,872,157,342.80
  5. Step 5: Solve for x
    x = 2,872,157,342.80/69,653.52
  6. Step 6: Final answer
    x = 41,234.92

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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.