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Finding the Fourth Proportional to 18,442.08, 27,650.16 and 6,753.78

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Solution

The fourth proportional to 18,442.08, 27,650.16 and 6,753.78 is: 10,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,442.08 : 27,650.16 = 6,753.78 : x
  2. Step 2: Convert to fraction form
    18,442.08/27,650.16 = 6,753.78/x
  3. Step 3: Cross multiply
    18,442.08x = 27,650.16 × 6,753.78
  4. Step 4: Simplify right side
    18,442.08x = 186,743,097.60
  5. Step 5: Solve for x
    x = 186,743,097.60/18,442.08
  6. Step 6: Final answer
    x = 10,125.92

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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.