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Finding the Fourth Proportional to 15,238.82, 22,861.07 and 6,919.41

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Solution

The fourth proportional to 15,238.82, 22,861.07 and 6,919.41 is: 10,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.82 : 22,861.07 = 6,919.41 : x
  2. Step 2: Convert to fraction form
    15,238.82/22,861.07 = 6,919.41/x
  3. Step 3: Cross multiply
    15,238.82x = 22,861.07 × 6,919.41
  4. Step 4: Simplify right side
    15,238.82x = 158,185,081.77
  5. Step 5: Solve for x
    x = 158,185,081.77/15,238.82
  6. Step 6: Final answer
    x = 10,380.41

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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.