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Finding the Fourth Proportional to 66,945.53, 100,394.67 and 26,952.59

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Solution

The fourth proportional to 66,945.53, 100,394.67 and 26,952.59 is: 40,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.53 : 100,394.67 = 26,952.59 : x
  2. Step 2: Convert to fraction form
    66,945.53/100,394.67 = 26,952.59/x
  3. Step 3: Cross multiply
    66,945.53x = 100,394.67 × 26,952.59
  4. Step 4: Simplify right side
    66,945.53x = 2,705,896,378.70
  5. Step 5: Solve for x
    x = 2,705,896,378.70/66,945.53
  6. Step 6: Final answer
    x = 40,419.37

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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.