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Finding the Fourth Proportional to 17,879.44, 24,683.44 and 12,222.72

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Solution

The fourth proportional to 17,879.44, 24,683.44 and 12,222.72 is: 16,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.44 : 24,683.44 = 12,222.72 : x
  2. Step 2: Convert to fraction form
    17,879.44/24,683.44 = 12,222.72/x
  3. Step 3: Cross multiply
    17,879.44x = 24,683.44 × 12,222.72
  4. Step 4: Simplify right side
    17,879.44x = 301,698,775.76
  5. Step 5: Solve for x
    x = 301,698,775.76/17,879.44
  6. Step 6: Final answer
    x = 16,874.06

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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.