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Finding the Fourth Proportional to 43,262.30, 64,948.80 and 36,729.99

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Solution

The fourth proportional to 43,262.30, 64,948.80 and 36,729.99 is: 55,141.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,262.30 : 64,948.80 = 36,729.99 : x
  2. Step 2: Convert to fraction form
    43,262.30/64,948.80 = 36,729.99/x
  3. Step 3: Cross multiply
    43,262.30x = 64,948.80 × 36,729.99
  4. Step 4: Simplify right side
    43,262.30x = 2,385,568,912.25
  5. Step 5: Solve for x
    x = 2,385,568,912.25/43,262.30
  6. Step 6: Final answer
    x = 55,141.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.