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Finding the Fourth Proportional to 60,936.48, 84,091.74 and 34,078.68

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Solution

The fourth proportional to 60,936.48, 84,091.74 and 34,078.68 is: 47,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,936.48 : 84,091.74 = 34,078.68 : x
  2. Step 2: Convert to fraction form
    60,936.48/84,091.74 = 34,078.68/x
  3. Step 3: Cross multiply
    60,936.48x = 84,091.74 × 34,078.68
  4. Step 4: Simplify right side
    60,936.48x = 2,865,735,498.10
  5. Step 5: Solve for x
    x = 2,865,735,498.10/60,936.48
  6. Step 6: Final answer
    x = 47,028.24

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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.