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Finding the Fourth Proportional to 61,246.26, 84,520.53 and 34,389.54

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Solution

The fourth proportional to 61,246.26, 84,520.53 and 34,389.54 is: 47,457.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,246.26 : 84,520.53 = 34,389.54 : x
  2. Step 2: Convert to fraction form
    61,246.26/84,520.53 = 34,389.54/x
  3. Step 3: Cross multiply
    61,246.26x = 84,520.53 × 34,389.54
  4. Step 4: Simplify right side
    61,246.26x = 2,906,622,147.26
  5. Step 5: Solve for x
    x = 2,906,622,147.26/61,246.26
  6. Step 6: Final answer
    x = 47,457.95

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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.