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Finding the Fourth Proportional to 6,375.42, 9,549.21 and 4,520.91

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Solution

The fourth proportional to 6,375.42, 9,549.21 and 4,520.91 is: 6,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.42 : 9,549.21 = 4,520.91 : x
  2. Step 2: Convert to fraction form
    6,375.42/9,549.21 = 4,520.91/x
  3. Step 3: Cross multiply
    6,375.42x = 9,549.21 × 4,520.91
  4. Step 4: Simplify right side
    6,375.42x = 43,171,118.98
  5. Step 5: Solve for x
    x = 43,171,118.98/6,375.42
  6. Step 6: Final answer
    x = 6,771.49

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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.