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Finding the Fourth Proportional to 22,203.56, 33,311.28 and 6,621.32

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Solution

The fourth proportional to 22,203.56, 33,311.28 and 6,621.32 is: 9,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.56 : 33,311.28 = 6,621.32 : x
  2. Step 2: Convert to fraction form
    22,203.56/33,311.28 = 6,621.32/x
  3. Step 3: Cross multiply
    22,203.56x = 33,311.28 × 6,621.32
  4. Step 4: Simplify right side
    22,203.56x = 220,564,644.49
  5. Step 5: Solve for x
    x = 220,564,644.49/22,203.56
  6. Step 6: Final answer
    x = 9,933.75

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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.