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Finding the Fourth Proportional to 55,651.91, 76,795.76 and 32,989.73

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Solution

The fourth proportional to 55,651.91, 76,795.76 and 32,989.73 is: 45,523.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.91 : 76,795.76 = 32,989.73 : x
  2. Step 2: Convert to fraction form
    55,651.91/76,795.76 = 32,989.73/x
  3. Step 3: Cross multiply
    55,651.91x = 76,795.76 × 32,989.73
  4. Step 4: Simplify right side
    55,651.91x = 2,533,471,086.04
  5. Step 5: Solve for x
    x = 2,533,471,086.04/55,651.91
  6. Step 6: Final answer
    x = 45,523.53

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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.