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Finding the Fourth Proportional to 22,957.62, 34,408.72 and 11,858.24

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Solution

The fourth proportional to 22,957.62, 34,408.72 and 11,858.24 is: 17,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,957.62 : 34,408.72 = 11,858.24 : x
  2. Step 2: Convert to fraction form
    22,957.62/34,408.72 = 11,858.24/x
  3. Step 3: Cross multiply
    22,957.62x = 34,408.72 × 11,858.24
  4. Step 4: Simplify right side
    22,957.62x = 408,026,859.85
  5. Step 5: Solve for x
    x = 408,026,859.85/22,957.62
  6. Step 6: Final answer
    x = 17,773.05

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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.