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Finding the Fourth Proportional to 13,797.92, 20,700.37 and 3,937.23

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Solution

The fourth proportional to 13,797.92, 20,700.37 and 3,937.23 is: 5,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,797.92 : 20,700.37 = 3,937.23 : x
  2. Step 2: Convert to fraction form
    13,797.92/20,700.37 = 3,937.23/x
  3. Step 3: Cross multiply
    13,797.92x = 20,700.37 × 3,937.23
  4. Step 4: Simplify right side
    13,797.92x = 81,502,117.78
  5. Step 5: Solve for x
    x = 81,502,117.78/13,797.92
  6. Step 6: Final answer
    x = 5,906.84

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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.