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Finding the Fourth Proportional to 66,950.67, 92,392.26 and 36,738.75

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Solution

The fourth proportional to 66,950.67, 92,392.26 and 36,738.75 is: 50,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,950.67 : 92,392.26 = 36,738.75 : x
  2. Step 2: Convert to fraction form
    66,950.67/92,392.26 = 36,738.75/x
  3. Step 3: Cross multiply
    66,950.67x = 92,392.26 × 36,738.75
  4. Step 4: Simplify right side
    66,950.67x = 3,394,376,142.08
  5. Step 5: Solve for x
    x = 3,394,376,142.08/66,950.67
  6. Step 6: Final answer
    x = 50,699.66

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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.