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Finding the Fourth Proportional to 11,932.31, 16,468.04 and 6,627.71

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Solution

The fourth proportional to 11,932.31, 16,468.04 and 6,627.71 is: 9,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.31 : 16,468.04 = 6,627.71 : x
  2. Step 2: Convert to fraction form
    11,932.31/16,468.04 = 6,627.71/x
  3. Step 3: Cross multiply
    11,932.31x = 16,468.04 × 6,627.71
  4. Step 4: Simplify right side
    11,932.31x = 109,145,393.39
  5. Step 5: Solve for x
    x = 109,145,393.39/11,932.31
  6. Step 6: Final answer
    x = 9,147.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.