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Finding the Fourth Proportional to 22,891.78, 34,330.38 and 7,305.76

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Solution

The fourth proportional to 22,891.78, 34,330.38 and 7,305.76 is: 10,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,891.78 : 34,330.38 = 7,305.76 : x
  2. Step 2: Convert to fraction form
    22,891.78/34,330.38 = 7,305.76/x
  3. Step 3: Cross multiply
    22,891.78x = 34,330.38 × 7,305.76
  4. Step 4: Simplify right side
    22,891.78x = 250,809,516.99
  5. Step 5: Solve for x
    x = 250,809,516.99/22,891.78
  6. Step 6: Final answer
    x = 10,956.31

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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.