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Finding the Fourth Proportional to 27,342.57, 41,016.12 and 7,621.32

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Solution

The fourth proportional to 27,342.57, 41,016.12 and 7,621.32 is: 11,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,342.57 : 41,016.12 = 7,621.32 : x
  2. Step 2: Convert to fraction form
    27,342.57/41,016.12 = 7,621.32/x
  3. Step 3: Cross multiply
    27,342.57x = 41,016.12 × 7,621.32
  4. Step 4: Simplify right side
    27,342.57x = 312,596,975.68
  5. Step 5: Solve for x
    x = 312,596,975.68/27,342.57
  6. Step 6: Final answer
    x = 11,432.61

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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.