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Finding the Fourth Proportional to 18,572.52, 27,857.44 and 8,714.04

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Solution

The fourth proportional to 18,572.52, 27,857.44 and 8,714.04 is: 13,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.52 : 27,857.44 = 8,714.04 : x
  2. Step 2: Convert to fraction form
    18,572.52/27,857.44 = 8,714.04/x
  3. Step 3: Cross multiply
    18,572.52x = 27,857.44 × 8,714.04
  4. Step 4: Simplify right side
    18,572.52x = 242,750,846.46
  5. Step 5: Solve for x
    x = 242,750,846.46/18,572.52
  6. Step 6: Final answer
    x = 13,070.43

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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.