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Finding the Fourth Proportional to 66,839.77, 92,238.90 and 36,624.84

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Solution

The fourth proportional to 66,839.77, 92,238.90 and 36,624.84 is: 50,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,839.77 : 92,238.90 = 36,624.84 : x
  2. Step 2: Convert to fraction form
    66,839.77/92,238.90 = 36,624.84/x
  3. Step 3: Cross multiply
    66,839.77x = 92,238.90 × 36,624.84
  4. Step 4: Simplify right side
    66,839.77x = 3,378,234,954.28
  5. Step 5: Solve for x
    x = 3,378,234,954.28/66,839.77
  6. Step 6: Final answer
    x = 50,542.29

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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.