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Finding the Fourth Proportional to 36,521.36, 54,777.78 and 10,228.22

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Solution

The fourth proportional to 36,521.36, 54,777.78 and 10,228.22 is: 15,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,521.36 : 54,777.78 = 10,228.22 : x
  2. Step 2: Convert to fraction form
    36,521.36/54,777.78 = 10,228.22/x
  3. Step 3: Cross multiply
    36,521.36x = 54,777.78 × 10,228.22
  4. Step 4: Simplify right side
    36,521.36x = 560,278,911.06
  5. Step 5: Solve for x
    x = 560,278,911.06/36,521.36
  6. Step 6: Final answer
    x = 15,341.13

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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.