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Finding the Fourth Proportional to 22,174.38, 30,600.38 and 12,102.99

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Solution

The fourth proportional to 22,174.38, 30,600.38 and 12,102.99 is: 16,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,174.38 : 30,600.38 = 12,102.99 : x
  2. Step 2: Convert to fraction form
    22,174.38/30,600.38 = 12,102.99/x
  3. Step 3: Cross multiply
    22,174.38x = 30,600.38 × 12,102.99
  4. Step 4: Simplify right side
    22,174.38x = 370,356,032.62
  5. Step 5: Solve for x
    x = 370,356,032.62/22,174.38
  6. Step 6: Final answer
    x = 16,701.98

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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.