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Finding the Fourth Proportional to 66,847.48, 92,249.49 and 36,634.66

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Solution

The fourth proportional to 66,847.48, 92,249.49 and 36,634.66 is: 50,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,847.48 : 92,249.49 = 36,634.66 : x
  2. Step 2: Convert to fraction form
    66,847.48/92,249.49 = 36,634.66/x
  3. Step 3: Cross multiply
    66,847.48x = 92,249.49 × 36,634.66
  4. Step 4: Simplify right side
    66,847.48x = 3,379,528,701.32
  5. Step 5: Solve for x
    x = 3,379,528,701.32/66,847.48
  6. Step 6: Final answer
    x = 50,555.81

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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.