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Finding the Fourth Proportional to 57,569.78, 79,448.49 and 33,371.54

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Solution

The fourth proportional to 57,569.78, 79,448.49 and 33,371.54 is: 46,053.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,569.78 : 79,448.49 = 33,371.54 : x
  2. Step 2: Convert to fraction form
    57,569.78/79,448.49 = 33,371.54/x
  3. Step 3: Cross multiply
    57,569.78x = 79,448.49 × 33,371.54
  4. Step 4: Simplify right side
    57,569.78x = 2,651,318,064.73
  5. Step 5: Solve for x
    x = 2,651,318,064.73/57,569.78
  6. Step 6: Final answer
    x = 46,053.99

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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.