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Finding the Fourth Proportional to 47,993.81, 72,015.01 and 32,378.63

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Solution

The fourth proportional to 47,993.81, 72,015.01 and 32,378.63 is: 48,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,993.81 : 72,015.01 = 32,378.63 : x
  2. Step 2: Convert to fraction form
    47,993.81/72,015.01 = 32,378.63/x
  3. Step 3: Cross multiply
    47,993.81x = 72,015.01 × 32,378.63
  4. Step 4: Simplify right side
    47,993.81x = 2,331,746,922.21
  5. Step 5: Solve for x
    x = 2,331,746,922.21/47,993.81
  6. Step 6: Final answer
    x = 48,584.33

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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.