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Finding the Fourth Proportional to 18,627.14, 27,940.08 and 8,097.16

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Solution

The fourth proportional to 18,627.14, 27,940.08 and 8,097.16 is: 12,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.14 : 27,940.08 = 8,097.16 : x
  2. Step 2: Convert to fraction form
    18,627.14/27,940.08 = 8,097.16/x
  3. Step 3: Cross multiply
    18,627.14x = 27,940.08 × 8,097.16
  4. Step 4: Simplify right side
    18,627.14x = 226,235,298.17
  5. Step 5: Solve for x
    x = 226,235,298.17/18,627.14
  6. Step 6: Final answer
    x = 12,145.47

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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.