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Finding the Fourth Proportional to 64,910.62, 97,379.16 and 27,470.53

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Solution

The fourth proportional to 64,910.62, 97,379.16 and 27,470.53 is: 41,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,910.62 : 97,379.16 = 27,470.53 : x
  2. Step 2: Convert to fraction form
    64,910.62/97,379.16 = 27,470.53/x
  3. Step 3: Cross multiply
    64,910.62x = 97,379.16 × 27,470.53
  4. Step 4: Simplify right side
    64,910.62x = 2,675,057,136.15
  5. Step 5: Solve for x
    x = 2,675,057,136.15/64,910.62
  6. Step 6: Final answer
    x = 41,211.39

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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.