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Finding the Fourth Proportional to 66,459.67, 91,716.08 and 36,246.27

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Solution

The fourth proportional to 66,459.67, 91,716.08 and 36,246.27 is: 50,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,459.67 : 91,716.08 = 36,246.27 : x
  2. Step 2: Convert to fraction form
    66,459.67/91,716.08 = 36,246.27/x
  3. Step 3: Cross multiply
    66,459.67x = 91,716.08 × 36,246.27
  4. Step 4: Simplify right side
    66,459.67x = 3,324,365,799.02
  5. Step 5: Solve for x
    x = 3,324,365,799.02/66,459.67
  6. Step 6: Final answer
    x = 50,020.80

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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.