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Finding the Fourth Proportional to 15,213.46, 22,764.72 and 8,976.46

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Solution

The fourth proportional to 15,213.46, 22,764.72 and 8,976.46 is: 13,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.46 : 22,764.72 = 8,976.46 : x
  2. Step 2: Convert to fraction form
    15,213.46/22,764.72 = 8,976.46/x
  3. Step 3: Cross multiply
    15,213.46x = 22,764.72 × 8,976.46
  4. Step 4: Simplify right side
    15,213.46x = 204,346,598.49
  5. Step 5: Solve for x
    x = 204,346,598.49/15,213.46
  6. Step 6: Final answer
    x = 13,431.96

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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.