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Finding the Fourth Proportional to 6,202.53, 8,555.90 and 4,078.44

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Solution

The fourth proportional to 6,202.53, 8,555.90 and 4,078.44 is: 5,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,202.53 : 8,555.90 = 4,078.44 : x
  2. Step 2: Convert to fraction form
    6,202.53/8,555.90 = 4,078.44/x
  3. Step 3: Cross multiply
    6,202.53x = 8,555.90 × 4,078.44
  4. Step 4: Simplify right side
    6,202.53x = 34,894,704.40
  5. Step 5: Solve for x
    x = 34,894,704.40/6,202.53
  6. Step 6: Final answer
    x = 5,625.88

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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.