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Finding the Fourth Proportional to 22,755.72, 34,133.58 and 7,174.56

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Solution

The fourth proportional to 22,755.72, 34,133.58 and 7,174.56 is: 10,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,755.72 : 34,133.58 = 7,174.56 : x
  2. Step 2: Convert to fraction form
    22,755.72/34,133.58 = 7,174.56/x
  3. Step 3: Cross multiply
    22,755.72x = 34,133.58 × 7,174.56
  4. Step 4: Simplify right side
    22,755.72x = 244,893,417.72
  5. Step 5: Solve for x
    x = 244,893,417.72/22,755.72
  6. Step 6: Final answer
    x = 10,761.84

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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.