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Finding the Fourth Proportional to 29,993.34, 41,390.81 and 17,418.90

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Solution

The fourth proportional to 29,993.34, 41,390.81 and 17,418.90 is: 24,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,993.34 : 41,390.81 = 17,418.90 : x
  2. Step 2: Convert to fraction form
    29,993.34/41,390.81 = 17,418.90/x
  3. Step 3: Cross multiply
    29,993.34x = 41,390.81 × 17,418.90
  4. Step 4: Simplify right side
    29,993.34x = 720,982,611.73
  5. Step 5: Solve for x
    x = 720,982,611.73/29,993.34
  6. Step 6: Final answer
    x = 24,038.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.