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Finding the Fourth Proportional to 16,118.32, 22,243.08 and 9,044.88

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Solution

The fourth proportional to 16,118.32, 22,243.08 and 9,044.88 is: 12,481.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,118.32 : 22,243.08 = 9,044.88 : x
  2. Step 2: Convert to fraction form
    16,118.32/22,243.08 = 9,044.88/x
  3. Step 3: Cross multiply
    16,118.32x = 22,243.08 × 9,044.88
  4. Step 4: Simplify right side
    16,118.32x = 201,185,989.43
  5. Step 5: Solve for x
    x = 201,185,989.43/16,118.32
  6. Step 6: Final answer
    x = 12,481.82

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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.