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Finding the Fourth Proportional to 22,937.91, 34,398.62 and 7,940.96

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Solution

The fourth proportional to 22,937.91, 34,398.62 and 7,940.96 is: 11,908.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,937.91 : 34,398.62 = 7,940.96 : x
  2. Step 2: Convert to fraction form
    22,937.91/34,398.62 = 7,940.96/x
  3. Step 3: Cross multiply
    22,937.91x = 34,398.62 × 7,940.96
  4. Step 4: Simplify right side
    22,937.91x = 273,158,065.48
  5. Step 5: Solve for x
    x = 273,158,065.48/22,937.91
  6. Step 6: Final answer
    x = 11,908.59

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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.