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Finding the Fourth Proportional to 18,439.52, 27,659.27 and 6,753.65

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Solution

The fourth proportional to 18,439.52, 27,659.27 and 6,753.65 is: 10,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.52 : 27,659.27 = 6,753.65 : x
  2. Step 2: Convert to fraction form
    18,439.52/27,659.27 = 6,753.65/x
  3. Step 3: Cross multiply
    18,439.52x = 27,659.27 × 6,753.65
  4. Step 4: Simplify right side
    18,439.52x = 186,800,907.42
  5. Step 5: Solve for x
    x = 186,800,907.42/18,439.52
  6. Step 6: Final answer
    x = 10,130.47

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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.