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Finding the Fourth Proportional to 22,745.40, 34,133.73 and 7,954.35

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Solution

The fourth proportional to 22,745.40, 34,133.73 and 7,954.35 is: 11,936.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.40 : 34,133.73 = 7,954.35 : x
  2. Step 2: Convert to fraction form
    22,745.40/34,133.73 = 7,954.35/x
  3. Step 3: Cross multiply
    22,745.40x = 34,133.73 × 7,954.35
  4. Step 4: Simplify right side
    22,745.40x = 271,511,635.23
  5. Step 5: Solve for x
    x = 271,511,635.23/22,745.40
  6. Step 6: Final answer
    x = 11,936.99

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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.