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Finding the Fourth Proportional to 61,767, 85,238.87 and 33,472.89

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Solution

The fourth proportional to 61,767, 85,238.87 and 33,472.89 is: 46,192.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,767 : 85,238.87 = 33,472.89 : x
  2. Step 2: Convert to fraction form
    61,767/85,238.87 = 33,472.89/x
  3. Step 3: Cross multiply
    61,767x = 85,238.87 × 33,472.89
  4. Step 4: Simplify right side
    61,767x = 2,853,191,151.87
  5. Step 5: Solve for x
    x = 2,853,191,151.87/61,767
  6. Step 6: Final answer
    x = 46,192.81

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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.