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Finding the Fourth Proportional to 22,325.76, 33,482.88 and 6,739.20

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Solution

The fourth proportional to 22,325.76, 33,482.88 and 6,739.20 is: 10,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,325.76 : 33,482.88 = 6,739.20 : x
  2. Step 2: Convert to fraction form
    22,325.76/33,482.88 = 6,739.20/x
  3. Step 3: Cross multiply
    22,325.76x = 33,482.88 × 6,739.20
  4. Step 4: Simplify right side
    22,325.76x = 225,647,824.90
  5. Step 5: Solve for x
    x = 225,647,824.90/22,325.76
  6. Step 6: Final answer
    x = 10,107.06

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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.