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Finding the Fourth Proportional to 66,822.50, 92,214.21 and 36,607.46

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Solution

The fourth proportional to 66,822.50, 92,214.21 and 36,607.46 is: 50,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,822.50 : 92,214.21 = 36,607.46 : x
  2. Step 2: Convert to fraction form
    66,822.50/92,214.21 = 36,607.46/x
  3. Step 3: Cross multiply
    66,822.50x = 92,214.21 × 36,607.46
  4. Step 4: Simplify right side
    66,822.50x = 3,375,728,004.01
  5. Step 5: Solve for x
    x = 3,375,728,004.01/66,822.50
  6. Step 6: Final answer
    x = 50,517.83

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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.