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Finding the Fourth Proportional to 13,371.92, 20,060.58 and 9,213.92

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Solution

The fourth proportional to 13,371.92, 20,060.58 and 9,213.92 is: 13,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.92 : 20,060.58 = 9,213.92 : x
  2. Step 2: Convert to fraction form
    13,371.92/20,060.58 = 9,213.92/x
  3. Step 3: Cross multiply
    13,371.92x = 20,060.58 × 9,213.92
  4. Step 4: Simplify right side
    13,371.92x = 184,836,579.27
  5. Step 5: Solve for x
    x = 184,836,579.27/13,371.92
  6. Step 6: Final answer
    x = 13,822.74

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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.