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Finding the Fourth Proportional to 33,722.20, 47,280.20 and 33,722.20

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Solution

The fourth proportional to 33,722.20, 47,280.20 and 33,722.20 is: 47,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,722.20 : 47,280.20 = 33,722.20 : x
  2. Step 2: Convert to fraction form
    33,722.20/47,280.20 = 33,722.20/x
  3. Step 3: Cross multiply
    33,722.20x = 47,280.20 × 33,722.20
  4. Step 4: Simplify right side
    33,722.20x = 1,594,392,360.44
  5. Step 5: Solve for x
    x = 1,594,392,360.44/33,722.20
  6. Step 6: Final answer
    x = 47,280.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.