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Finding the Fourth Proportional to 15,221.17, 22,843.52 and 9,954.75

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Solution

The fourth proportional to 15,221.17, 22,843.52 and 9,954.75 is: 14,939.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.17 : 22,843.52 = 9,954.75 : x
  2. Step 2: Convert to fraction form
    15,221.17/22,843.52 = 9,954.75/x
  3. Step 3: Cross multiply
    15,221.17x = 22,843.52 × 9,954.75
  4. Step 4: Simplify right side
    15,221.17x = 227,401,530.72
  5. Step 5: Solve for x
    x = 227,401,530.72/15,221.17
  6. Step 6: Final answer
    x = 14,939.82

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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.