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Finding the Fourth Proportional to 66,968.53, 92,416.50 and 36,753.93

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Solution

The fourth proportional to 66,968.53, 92,416.50 and 36,753.93 is: 50,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,968.53 : 92,416.50 = 36,753.93 : x
  2. Step 2: Convert to fraction form
    66,968.53/92,416.50 = 36,753.93/x
  3. Step 3: Cross multiply
    66,968.53x = 92,416.50 × 36,753.93
  4. Step 4: Simplify right side
    66,968.53x = 3,396,669,571.85
  5. Step 5: Solve for x
    x = 3,396,669,571.85/66,968.53
  6. Step 6: Final answer
    x = 50,720.39

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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.