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Finding the Fourth Proportional to 66,524.50, 91,803.93 and 36,716.50

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Solution

The fourth proportional to 66,524.50, 91,803.93 and 36,716.50 is: 50,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,524.50 : 91,803.93 = 36,716.50 : x
  2. Step 2: Convert to fraction form
    66,524.50/91,803.93 = 36,716.50/x
  3. Step 3: Cross multiply
    66,524.50x = 91,803.93 × 36,716.50
  4. Step 4: Simplify right side
    66,524.50x = 3,370,718,995.85
  5. Step 5: Solve for x
    x = 3,370,718,995.85/66,524.50
  6. Step 6: Final answer
    x = 50,668.84

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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.