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Finding the Fourth Proportional to 61,469.82, 84,832.38 and 46,335.78

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Solution

The fourth proportional to 61,469.82, 84,832.38 and 46,335.78 is: 63,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,469.82 : 84,832.38 = 46,335.78 : x
  2. Step 2: Convert to fraction form
    61,469.82/84,832.38 = 46,335.78/x
  3. Step 3: Cross multiply
    61,469.82x = 84,832.38 × 46,335.78
  4. Step 4: Simplify right side
    61,469.82x = 3,930,774,496.56
  5. Step 5: Solve for x
    x = 3,930,774,496.56/61,469.82
  6. Step 6: Final answer
    x = 63,946.41

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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.