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Finding the Fourth Proportional to 60,808.15, 83,908.87 and 35,309.54

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Solution

The fourth proportional to 60,808.15, 83,908.87 and 35,309.54 is: 48,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,808.15 : 83,908.87 = 35,309.54 : x
  2. Step 2: Convert to fraction form
    60,808.15/83,908.87 = 35,309.54/x
  3. Step 3: Cross multiply
    60,808.15x = 83,908.87 × 35,309.54
  4. Step 4: Simplify right side
    60,808.15x = 2,962,783,601.62
  5. Step 5: Solve for x
    x = 2,962,783,601.62/60,808.15
  6. Step 6: Final answer
    x = 48,723.46

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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.