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Finding the Fourth Proportional to 22,246.44, 30,699.68 and 12,174.68

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Solution

The fourth proportional to 22,246.44, 30,699.68 and 12,174.68 is: 16,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,246.44 : 30,699.68 = 12,174.68 : x
  2. Step 2: Convert to fraction form
    22,246.44/30,699.68 = 12,174.68/x
  3. Step 3: Cross multiply
    22,246.44x = 30,699.68 × 12,174.68
  4. Step 4: Simplify right side
    22,246.44x = 373,758,565.73
  5. Step 5: Solve for x
    x = 373,758,565.73/22,246.44
  6. Step 6: Final answer
    x = 16,800.83

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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.