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Finding the Fourth Proportional to 62,793.77, 86,654.00 and 34,112.68

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Solution

The fourth proportional to 62,793.77, 86,654.00 and 34,112.68 is: 47,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,793.77 : 86,654.00 = 34,112.68 : x
  2. Step 2: Convert to fraction form
    62,793.77/86,654.00 = 34,112.68/x
  3. Step 3: Cross multiply
    62,793.77x = 86,654.00 × 34,112.68
  4. Step 4: Simplify right side
    62,793.77x = 2,956,000,041.37
  5. Step 5: Solve for x
    x = 2,956,000,041.37/62,793.77
  6. Step 6: Final answer
    x = 47,074.74

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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.