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Finding the Fourth Proportional to 70,893.92, 97,833.62 and 39,062.54

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Solution

The fourth proportional to 70,893.92, 97,833.62 and 39,062.54 is: 53,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,893.92 : 97,833.62 = 39,062.54 : x
  2. Step 2: Convert to fraction form
    70,893.92/97,833.62 = 39,062.54/x
  3. Step 3: Cross multiply
    70,893.92x = 97,833.62 × 39,062.54
  4. Step 4: Simplify right side
    70,893.92x = 3,821,630,036.84
  5. Step 5: Solve for x
    x = 3,821,630,036.84/70,893.92
  6. Step 6: Final answer
    x = 53,906.31

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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.