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Finding the Fourth Proportional to 65,950.70, 91,011.82 and 35,736.85

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Solution

The fourth proportional to 65,950.70, 91,011.82 and 35,736.85 is: 49,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950.70 : 91,011.82 = 35,736.85 : x
  2. Step 2: Convert to fraction form
    65,950.70/91,011.82 = 35,736.85/x
  3. Step 3: Cross multiply
    65,950.70x = 91,011.82 × 35,736.85
  4. Step 4: Simplify right side
    65,950.70x = 3,252,475,759.57
  5. Step 5: Solve for x
    x = 3,252,475,759.57/65,950.70
  6. Step 6: Final answer
    x = 49,316.77

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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.