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Finding the Fourth Proportional to 66,961.82, 92,406.02 and 36,747.02

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Solution

The fourth proportional to 66,961.82, 92,406.02 and 36,747.02 is: 50,710.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961.82 : 92,406.02 = 36,747.02 : x
  2. Step 2: Convert to fraction form
    66,961.82/92,406.02 = 36,747.02/x
  3. Step 3: Cross multiply
    66,961.82x = 92,406.02 × 36,747.02
  4. Step 4: Simplify right side
    66,961.82x = 3,395,645,865.06
  5. Step 5: Solve for x
    x = 3,395,645,865.06/66,961.82
  6. Step 6: Final answer
    x = 50,710.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.