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Finding the Fourth Proportional to 61,863.78, 85,371.26 and 33,569.27

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Solution

The fourth proportional to 61,863.78, 85,371.26 and 33,569.27 is: 46,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,863.78 : 85,371.26 = 33,569.27 : x
  2. Step 2: Convert to fraction form
    61,863.78/85,371.26 = 33,569.27/x
  3. Step 3: Cross multiply
    61,863.78x = 85,371.26 × 33,569.27
  4. Step 4: Simplify right side
    61,863.78x = 2,865,850,282.48
  5. Step 5: Solve for x
    x = 2,865,850,282.48/61,863.78
  6. Step 6: Final answer
    x = 46,325.17

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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.