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Finding the Fourth Proportional to 22,809.85, 34,211.08 and 8,015.32

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Solution

The fourth proportional to 22,809.85, 34,211.08 and 8,015.32 is: 12,021.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.85 : 34,211.08 = 8,015.32 : x
  2. Step 2: Convert to fraction form
    22,809.85/34,211.08 = 8,015.32/x
  3. Step 3: Cross multiply
    22,809.85x = 34,211.08 × 8,015.32
  4. Step 4: Simplify right side
    22,809.85x = 274,212,761.44
  5. Step 5: Solve for x
    x = 274,212,761.44/22,809.85
  6. Step 6: Final answer
    x = 12,021.68

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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.