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Finding the Fourth Proportional to 18,585.60, 27,869.44 and 10,796.64

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Solution

The fourth proportional to 18,585.60, 27,869.44 and 10,796.64 is: 16,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.60 : 27,869.44 = 10,796.64 : x
  2. Step 2: Convert to fraction form
    18,585.60/27,869.44 = 10,796.64/x
  3. Step 3: Cross multiply
    18,585.60x = 27,869.44 × 10,796.64
  4. Step 4: Simplify right side
    18,585.60x = 300,896,310.68
  5. Step 5: Solve for x
    x = 300,896,310.68/18,585.60
  6. Step 6: Final answer
    x = 16,189.76

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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.