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Finding the Fourth Proportional to 18,573.60, 27,843.20 and 6,252.96

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Solution

The fourth proportional to 18,573.60, 27,843.20 and 6,252.96 is: 9,373.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.60 : 27,843.20 = 6,252.96 : x
  2. Step 2: Convert to fraction form
    18,573.60/27,843.20 = 6,252.96/x
  3. Step 3: Cross multiply
    18,573.60x = 27,843.20 × 6,252.96
  4. Step 4: Simplify right side
    18,573.60x = 174,102,415.87
  5. Step 5: Solve for x
    x = 174,102,415.87/18,573.60
  6. Step 6: Final answer
    x = 9,373.65

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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.