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Finding the Fourth Proportional to 66,871.50, 92,282.67 and 37,063.50

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Solution

The fourth proportional to 66,871.50, 92,282.67 and 37,063.50 is: 51,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,871.50 : 92,282.67 = 37,063.50 : x
  2. Step 2: Convert to fraction form
    66,871.50/92,282.67 = 37,063.50/x
  3. Step 3: Cross multiply
    66,871.50x = 92,282.67 × 37,063.50
  4. Step 4: Simplify right side
    66,871.50x = 3,420,318,739.55
  5. Step 5: Solve for x
    x = 3,420,318,739.55/66,871.50
  6. Step 6: Final answer
    x = 51,147.63

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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.