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Finding the Fourth Proportional to 55,289.68, 82,933.83 and 38,993.67

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Solution

The fourth proportional to 55,289.68, 82,933.83 and 38,993.67 is: 58,490.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,289.68 : 82,933.83 = 38,993.67 : x
  2. Step 2: Convert to fraction form
    55,289.68/82,933.83 = 38,993.67/x
  3. Step 3: Cross multiply
    55,289.68x = 82,933.83 × 38,993.67
  4. Step 4: Simplify right side
    55,289.68x = 3,233,894,398.86
  5. Step 5: Solve for x
    x = 3,233,894,398.86/55,289.68
  6. Step 6: Final answer
    x = 58,490.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.