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Finding the Fourth Proportional to 36,472.86, 54,808.11 and 19,845.18

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Solution

The fourth proportional to 36,472.86, 54,808.11 and 19,845.18 is: 29,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,472.86 : 54,808.11 = 19,845.18 : x
  2. Step 2: Convert to fraction form
    36,472.86/54,808.11 = 19,845.18/x
  3. Step 3: Cross multiply
    36,472.86x = 54,808.11 × 19,845.18
  4. Step 4: Simplify right side
    36,472.86x = 1,087,676,808.41
  5. Step 5: Solve for x
    x = 1,087,676,808.41/36,472.86
  6. Step 6: Final answer
    x = 29,821.54

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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.