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Finding the Fourth Proportional to 69,862.32, 104,757.88 and 34,326

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Solution

The fourth proportional to 69,862.32, 104,757.88 and 34,326 is: 51,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,862.32 : 104,757.88 = 34,326 : x
  2. Step 2: Convert to fraction form
    69,862.32/104,757.88 = 34,326/x
  3. Step 3: Cross multiply
    69,862.32x = 104,757.88 × 34,326
  4. Step 4: Simplify right side
    69,862.32x = 3,595,918,988.88
  5. Step 5: Solve for x
    x = 3,595,918,988.88/69,862.32
  6. Step 6: Final answer
    x = 51,471.51

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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.