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Finding the Fourth Proportional to 48,665.60, 73,022.70 and 27,621.80

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Solution

The fourth proportional to 48,665.60, 73,022.70 and 27,621.80 is: 41,446.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,665.60 : 73,022.70 = 27,621.80 : x
  2. Step 2: Convert to fraction form
    48,665.60/73,022.70 = 27,621.80/x
  3. Step 3: Cross multiply
    48,665.60x = 73,022.70 × 27,621.80
  4. Step 4: Simplify right side
    48,665.60x = 2,017,018,414.86
  5. Step 5: Solve for x
    x = 2,017,018,414.86/48,665.60
  6. Step 6: Final answer
    x = 41,446.49

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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.