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Finding the Fourth Proportional to 62,383.70, 86,091.63 and 34,091.21

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Solution

The fourth proportional to 62,383.70, 86,091.63 and 34,091.21 is: 47,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,383.70 : 86,091.63 = 34,091.21 : x
  2. Step 2: Convert to fraction form
    62,383.70/86,091.63 = 34,091.21/x
  3. Step 3: Cross multiply
    62,383.70x = 86,091.63 × 34,091.21
  4. Step 4: Simplify right side
    62,383.70x = 2,934,967,837.57
  5. Step 5: Solve for x
    x = 2,934,967,837.57/62,383.70
  6. Step 6: Final answer
    x = 47,047.03

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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.