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Finding the Fourth Proportional to 6,372.70, 9,559.04 and 4,180.91

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Solution

The fourth proportional to 6,372.70, 9,559.04 and 4,180.91 is: 6,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.70 : 9,559.04 = 4,180.91 : x
  2. Step 2: Convert to fraction form
    6,372.70/9,559.04 = 4,180.91/x
  3. Step 3: Cross multiply
    6,372.70x = 9,559.04 × 4,180.91
  4. Step 4: Simplify right side
    6,372.70x = 39,965,485.93
  5. Step 5: Solve for x
    x = 39,965,485.93/6,372.70
  6. Step 6: Final answer
    x = 6,271.36

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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.