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Finding the Fourth Proportional to 36,126.70, 54,160.89 and 33,210.70

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Solution

The fourth proportional to 36,126.70, 54,160.89 and 33,210.70 is: 49,789.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.70 : 54,160.89 = 33,210.70 : x
  2. Step 2: Convert to fraction form
    36,126.70/54,160.89 = 33,210.70/x
  3. Step 3: Cross multiply
    36,126.70x = 54,160.89 × 33,210.70
  4. Step 4: Simplify right side
    36,126.70x = 1,798,721,069.52
  5. Step 5: Solve for x
    x = 1,798,721,069.52/36,126.70
  6. Step 6: Final answer
    x = 49,789.24

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