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Finding the Fourth Proportional to 36,489.94, 54,579.36 and 22,415.38

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Solution

The fourth proportional to 36,489.94, 54,579.36 and 22,415.38 is: 33,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.94 : 54,579.36 = 22,415.38 : x
  2. Step 2: Convert to fraction form
    36,489.94/54,579.36 = 22,415.38/x
  3. Step 3: Cross multiply
    36,489.94x = 54,579.36 × 22,415.38
  4. Step 4: Simplify right side
    36,489.94x = 1,223,417,094.56
  5. Step 5: Solve for x
    x = 1,223,417,094.56/36,489.94
  6. Step 6: Final answer
    x = 33,527.52

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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.