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Finding the Fourth Proportional to 66,679.41, 92,019.57 and 36,464.22

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Solution

The fourth proportional to 66,679.41, 92,019.57 and 36,464.22 is: 50,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,679.41 : 92,019.57 = 36,464.22 : x
  2. Step 2: Convert to fraction form
    66,679.41/92,019.57 = 36,464.22/x
  3. Step 3: Cross multiply
    66,679.41x = 92,019.57 × 36,464.22
  4. Step 4: Simplify right side
    66,679.41x = 3,355,421,844.79
  5. Step 5: Solve for x
    x = 3,355,421,844.79/66,679.41
  6. Step 6: Final answer
    x = 50,321.71

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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.