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Finding the Fourth Proportional to 12,100.35, 18,150.35 and 5,860.92

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Solution

The fourth proportional to 12,100.35, 18,150.35 and 5,860.92 is: 8,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100.35 : 18,150.35 = 5,860.92 : x
  2. Step 2: Convert to fraction form
    12,100.35/18,150.35 = 5,860.92/x
  3. Step 3: Cross multiply
    12,100.35x = 18,150.35 × 5,860.92
  4. Step 4: Simplify right side
    12,100.35x = 106,377,720.02
  5. Step 5: Solve for x
    x = 106,377,720.02/12,100.35
  6. Step 6: Final answer
    x = 8,791.29

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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.