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Finding the Fourth Proportional to 66,803.05, 92,183.42 and 36,583.50

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Solution

The fourth proportional to 66,803.05, 92,183.42 and 36,583.50 is: 50,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803.05 : 92,183.42 = 36,583.50 : x
  2. Step 2: Convert to fraction form
    66,803.05/92,183.42 = 36,583.50/x
  3. Step 3: Cross multiply
    66,803.05x = 92,183.42 × 36,583.50
  4. Step 4: Simplify right side
    66,803.05x = 3,372,391,858.40
  5. Step 5: Solve for x
    x = 3,372,391,858.40/66,803.05
  6. Step 6: Final answer
    x = 50,482.60

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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.