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Finding the Fourth Proportional to 36,174.25, 54,261.01 and 9,879

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Solution

The fourth proportional to 36,174.25, 54,261.01 and 9,879 is: 14,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,174.25 : 54,261.01 = 9,879 : x
  2. Step 2: Convert to fraction form
    36,174.25/54,261.01 = 9,879/x
  3. Step 3: Cross multiply
    36,174.25x = 54,261.01 × 9,879
  4. Step 4: Simplify right side
    36,174.25x = 536,044,517.79
  5. Step 5: Solve for x
    x = 536,044,517.79/36,174.25
  6. Step 6: Final answer
    x = 14,818.40

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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.