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Finding the Fourth Proportional to 6,380.72, 9,546.44 and 6,364.32

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Solution

The fourth proportional to 6,380.72, 9,546.44 and 6,364.32 is: 9,521.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380.72 : 9,546.44 = 6,364.32 : x
  2. Step 2: Convert to fraction form
    6,380.72/9,546.44 = 6,364.32/x
  3. Step 3: Cross multiply
    6,380.72x = 9,546.44 × 6,364.32
  4. Step 4: Simplify right side
    6,380.72x = 60,756,599.02
  5. Step 5: Solve for x
    x = 60,756,599.02/6,380.72
  6. Step 6: Final answer
    x = 9,521.90

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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.