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Finding the Fourth Proportional to 66,997.84, 92,469.84 and 44,337.28

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Solution

The fourth proportional to 66,997.84, 92,469.84 and 44,337.28 is: 61,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997.84 : 92,469.84 = 44,337.28 : x
  2. Step 2: Convert to fraction form
    66,997.84/92,469.84 = 44,337.28/x
  3. Step 3: Cross multiply
    66,997.84x = 92,469.84 × 44,337.28
  4. Step 4: Simplify right side
    66,997.84x = 4,099,861,187.64
  5. Step 5: Solve for x
    x = 4,099,861,187.64/66,997.84
  6. Step 6: Final answer
    x = 61,193.93

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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.