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Finding the Fourth Proportional to 22,772.72, 34,138.22 and 7,973.56

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Solution

The fourth proportional to 22,772.72, 34,138.22 and 7,973.56 is: 11,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,772.72 : 34,138.22 = 7,973.56 : x
  2. Step 2: Convert to fraction form
    22,772.72/34,138.22 = 7,973.56/x
  3. Step 3: Cross multiply
    22,772.72x = 34,138.22 × 7,973.56
  4. Step 4: Simplify right side
    22,772.72x = 272,203,145.46
  5. Step 5: Solve for x
    x = 272,203,145.46/22,772.72
  6. Step 6: Final answer
    x = 11,953.04

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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.