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Finding the Fourth Proportional to 43,297.38, 64,798.38 and 26,668.89

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Solution

The fourth proportional to 43,297.38, 64,798.38 and 26,668.89 is: 39,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,297.38 : 64,798.38 = 26,668.89 : x
  2. Step 2: Convert to fraction form
    43,297.38/64,798.38 = 26,668.89/x
  3. Step 3: Cross multiply
    43,297.38x = 64,798.38 × 26,668.89
  4. Step 4: Simplify right side
    43,297.38x = 1,728,100,868.40
  5. Step 5: Solve for x
    x = 1,728,100,868.40/43,297.38
  6. Step 6: Final answer
    x = 39,912.37

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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.