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Finding the Fourth Proportional to 62,383.92, 86,091.60 and 34,091.40

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Solution

The fourth proportional to 62,383.92, 86,091.60 and 34,091.40 is: 47,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,383.92 : 86,091.60 = 34,091.40 : x
  2. Step 2: Convert to fraction form
    62,383.92/86,091.60 = 34,091.40/x
  3. Step 3: Cross multiply
    62,383.92x = 86,091.60 × 34,091.40
  4. Step 4: Simplify right side
    62,383.92x = 2,934,983,172.24
  5. Step 5: Solve for x
    x = 2,934,983,172.24/62,383.92
  6. Step 6: Final answer
    x = 47,047.11

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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.