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Finding the Fourth Proportional to 20,027.27, 30,041.21 and 5,984.21

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Solution

The fourth proportional to 20,027.27, 30,041.21 and 5,984.21 is: 8,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.27 : 30,041.21 = 5,984.21 : x
  2. Step 2: Convert to fraction form
    20,027.27/30,041.21 = 5,984.21/x
  3. Step 3: Cross multiply
    20,027.27x = 30,041.21 × 5,984.21
  4. Step 4: Simplify right side
    20,027.27x = 179,772,999.36
  5. Step 5: Solve for x
    x = 179,772,999.36/20,027.27
  6. Step 6: Final answer
    x = 8,976.41

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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.