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Finding the Fourth Proportional to 22,474.72, 33,702.28 and 11,942.20

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Solution

The fourth proportional to 22,474.72, 33,702.28 and 11,942.20 is: 17,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.72 : 33,702.28 = 11,942.20 : x
  2. Step 2: Convert to fraction form
    22,474.72/33,702.28 = 11,942.20/x
  3. Step 3: Cross multiply
    22,474.72x = 33,702.28 × 11,942.20
  4. Step 4: Simplify right side
    22,474.72x = 402,479,254.10
  5. Step 5: Solve for x
    x = 402,479,254.10/22,474.72
  6. Step 6: Final answer
    x = 17,908.09

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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.