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Finding the Fourth Proportional to 66,684.50, 92,020.82 and 36,464.22

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Solution

The fourth proportional to 66,684.50, 92,020.82 and 36,464.22 is: 50,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,684.50 : 92,020.82 = 36,464.22 : x
  2. Step 2: Convert to fraction form
    66,684.50/92,020.82 = 36,464.22/x
  3. Step 3: Cross multiply
    66,684.50x = 92,020.82 × 36,464.22
  4. Step 4: Simplify right side
    66,684.50x = 3,355,467,425.06
  5. Step 5: Solve for x
    x = 3,355,467,425.06/66,684.50
  6. Step 6: Final answer
    x = 50,318.55

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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.