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Finding the Fourth Proportional to 61,004.73, 91,091.82 and 53,829.17

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Solution

The fourth proportional to 61,004.73, 91,091.82 and 53,829.17 is: 80,377.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,004.73 : 91,091.82 = 53,829.17 : x
  2. Step 2: Convert to fraction form
    61,004.73/91,091.82 = 53,829.17/x
  3. Step 3: Cross multiply
    61,004.73x = 91,091.82 × 53,829.17
  4. Step 4: Simplify right side
    61,004.73x = 4,903,396,810.79
  5. Step 5: Solve for x
    x = 4,903,396,810.79/61,004.73
  6. Step 6: Final answer
    x = 80,377.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.