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Finding the Fourth Proportional to 69,460.47, 104,205.11 and 27,910.71

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Solution

The fourth proportional to 69,460.47, 104,205.11 and 27,910.71 is: 41,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,460.47 : 104,205.11 = 27,910.71 : x
  2. Step 2: Convert to fraction form
    69,460.47/104,205.11 = 27,910.71/x
  3. Step 3: Cross multiply
    69,460.47x = 104,205.11 × 27,910.71
  4. Step 4: Simplify right side
    69,460.47x = 2,908,438,466.17
  5. Step 5: Solve for x
    x = 2,908,438,466.17/69,460.47
  6. Step 6: Final answer
    x = 41,871.85

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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.