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Finding the Fourth Proportional to 18,252.60, 27,411.30 and 13,327.80

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Solution

The fourth proportional to 18,252.60, 27,411.30 and 13,327.80 is: 20,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252.60 : 27,411.30 = 13,327.80 : x
  2. Step 2: Convert to fraction form
    18,252.60/27,411.30 = 13,327.80/x
  3. Step 3: Cross multiply
    18,252.60x = 27,411.30 × 13,327.80
  4. Step 4: Simplify right side
    18,252.60x = 365,332,324.14
  5. Step 5: Solve for x
    x = 365,332,324.14/18,252.60
  6. Step 6: Final answer
    x = 20,015.36

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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.