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Finding the Fourth Proportional to 61,834.74, 85,344.09 and 36,349.35

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Solution

The fourth proportional to 61,834.74, 85,344.09 and 36,349.35 is: 50,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,834.74 : 85,344.09 = 36,349.35 : x
  2. Step 2: Convert to fraction form
    61,834.74/85,344.09 = 36,349.35/x
  3. Step 3: Cross multiply
    61,834.74x = 85,344.09 × 36,349.35
  4. Step 4: Simplify right side
    61,834.74x = 3,102,202,197.84
  5. Step 5: Solve for x
    x = 3,102,202,197.84/61,834.74
  6. Step 6: Final answer
    x = 50,169.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.