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Finding the Fourth Proportional to 55,589.92, 76,723.11 and 34,091.62

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Solution

The fourth proportional to 55,589.92, 76,723.11 and 34,091.62 is: 47,051.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,589.92 : 76,723.11 = 34,091.62 : x
  2. Step 2: Convert to fraction form
    55,589.92/76,723.11 = 34,091.62/x
  3. Step 3: Cross multiply
    55,589.92x = 76,723.11 × 34,091.62
  4. Step 4: Simplify right side
    55,589.92x = 2,615,614,919.53
  5. Step 5: Solve for x
    x = 2,615,614,919.53/55,589.92
  6. Step 6: Final answer
    x = 47,051.97

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1.5x scale

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.