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Finding the Fourth Proportional to 69,930.84, 104,932.68 and 27,801.92

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Solution

The fourth proportional to 69,930.84, 104,932.68 and 27,801.92 is: 41,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930.84 : 104,932.68 = 27,801.92 : x
  2. Step 2: Convert to fraction form
    69,930.84/104,932.68 = 27,801.92/x
  3. Step 3: Cross multiply
    69,930.84x = 104,932.68 × 27,801.92
  4. Step 4: Simplify right side
    69,930.84x = 2,917,329,974.75
  5. Step 5: Solve for x
    x = 2,917,329,974.75/69,930.84
  6. Step 6: Final answer
    x = 41,717.36

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1.5x scale

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.