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Finding the Fourth Proportional to 61,896.16, 92,761.12 and 33,774.09

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Solution

The fourth proportional to 61,896.16, 92,761.12 and 33,774.09 is: 50,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,896.16 : 92,761.12 = 33,774.09 : x
  2. Step 2: Convert to fraction form
    61,896.16/92,761.12 = 33,774.09/x
  3. Step 3: Cross multiply
    61,896.16x = 92,761.12 × 33,774.09
  4. Step 4: Simplify right side
    61,896.16x = 3,132,922,415.38
  5. Step 5: Solve for x
    x = 3,132,922,415.38/61,896.16
  6. Step 6: Final answer
    x = 50,615.78

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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.