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Finding the Fourth Proportional to 66,098.64, 91,217.22 and 35,883.96

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Solution

The fourth proportional to 66,098.64, 91,217.22 and 35,883.96 is: 49,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,098.64 : 91,217.22 = 35,883.96 : x
  2. Step 2: Convert to fraction form
    66,098.64/91,217.22 = 35,883.96/x
  3. Step 3: Cross multiply
    66,098.64x = 91,217.22 × 35,883.96
  4. Step 4: Simplify right side
    66,098.64x = 3,273,235,073.79
  5. Step 5: Solve for x
    x = 3,273,235,073.79/66,098.64
  6. Step 6: Final answer
    x = 49,520.46

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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.