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Finding the Fourth Proportional to 50,447.81, 75,632.47 and 32,640.84

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Solution

The fourth proportional to 50,447.81, 75,632.47 and 32,640.84 is: 48,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,447.81 : 75,632.47 = 32,640.84 : x
  2. Step 2: Convert to fraction form
    50,447.81/75,632.47 = 32,640.84/x
  3. Step 3: Cross multiply
    50,447.81x = 75,632.47 × 32,640.84
  4. Step 4: Simplify right side
    50,447.81x = 2,468,707,352.07
  5. Step 5: Solve for x
    x = 2,468,707,352.07/50,447.81
  6. Step 6: Final answer
    x = 48,935.87

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1.5x scale

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.