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Finding the Fourth Proportional to 72,224.43, 108,350.21 and 32,784.32

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Solution

The fourth proportional to 72,224.43, 108,350.21 and 32,784.32 is: 49,182.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,224.43 : 108,350.21 = 32,784.32 : x
  2. Step 2: Convert to fraction form
    72,224.43/108,350.21 = 32,784.32/x
  3. Step 3: Cross multiply
    72,224.43x = 108,350.21 × 32,784.32
  4. Step 4: Simplify right side
    72,224.43x = 3,552,187,251.03
  5. Step 5: Solve for x
    x = 3,552,187,251.03/72,224.43
  6. Step 6: Final answer
    x = 49,182.63

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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.