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Finding the Fourth Proportional to 22,954.56, 34,435.88 and 11,858.16

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Solution

The fourth proportional to 22,954.56, 34,435.88 and 11,858.16 is: 17,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.56 : 34,435.88 = 11,858.16 : x
  2. Step 2: Convert to fraction form
    22,954.56/34,435.88 = 11,858.16/x
  3. Step 3: Cross multiply
    22,954.56x = 34,435.88 × 11,858.16
  4. Step 4: Simplify right side
    22,954.56x = 408,346,174.78
  5. Step 5: Solve for x
    x = 408,346,174.78/22,954.56
  6. Step 6: Final answer
    x = 17,789.33

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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.