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Finding the Fourth Proportional to 61,834.68, 85,317.48 and 41,728.86

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Solution

The fourth proportional to 61,834.68, 85,317.48 and 41,728.86 is: 57,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,834.68 : 85,317.48 = 41,728.86 : x
  2. Step 2: Convert to fraction form
    61,834.68/85,317.48 = 41,728.86/x
  3. Step 3: Cross multiply
    61,834.68x = 85,317.48 × 41,728.86
  4. Step 4: Simplify right side
    61,834.68x = 3,560,201,178.47
  5. Step 5: Solve for x
    x = 3,560,201,178.47/61,834.68
  6. Step 6: Final answer
    x = 57,576.12

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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.