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Finding the Fourth Proportional to 72,884.44, 100,546.17 and 42,651.22

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Solution

The fourth proportional to 72,884.44, 100,546.17 and 42,651.22 is: 58,838.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,884.44 : 100,546.17 = 42,651.22 : x
  2. Step 2: Convert to fraction form
    72,884.44/100,546.17 = 42,651.22/x
  3. Step 3: Cross multiply
    72,884.44x = 100,546.17 × 42,651.22
  4. Step 4: Simplify right side
    72,884.44x = 4,288,416,816.83
  5. Step 5: Solve for x
    x = 4,288,416,816.83/72,884.44
  6. Step 6: Final answer
    x = 58,838.58

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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.