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Finding the Fourth Proportional to 6,367.32, 8,779.86 and 4,006.44

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Solution

The fourth proportional to 6,367.32, 8,779.86 and 4,006.44 is: 5,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.32 : 8,779.86 = 4,006.44 : x
  2. Step 2: Convert to fraction form
    6,367.32/8,779.86 = 4,006.44/x
  3. Step 3: Cross multiply
    6,367.32x = 8,779.86 × 4,006.44
  4. Step 4: Simplify right side
    6,367.32x = 35,175,982.30
  5. Step 5: Solve for x
    x = 35,175,982.30/6,367.32
  6. Step 6: Final answer
    x = 5,524.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.