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Finding the Fourth Proportional to 66,846.77, 92,247.09 and 36,631.44

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Solution

The fourth proportional to 66,846.77, 92,247.09 and 36,631.44 is: 50,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846.77 : 92,247.09 = 36,631.44 : x
  2. Step 2: Convert to fraction form
    66,846.77/92,247.09 = 36,631.44/x
  3. Step 3: Cross multiply
    66,846.77x = 92,247.09 × 36,631.44
  4. Step 4: Simplify right side
    66,846.77x = 3,379,143,742.51
  5. Step 5: Solve for x
    x = 3,379,143,742.51/66,846.77
  6. Step 6: Final answer
    x = 50,550.59

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1.5x scale

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.