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Finding the Fourth Proportional to 6,374.72, 8,800.08 and 4,253.78

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Solution

The fourth proportional to 6,374.72, 8,800.08 and 4,253.78 is: 5,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.72 : 8,800.08 = 4,253.78 : x
  2. Step 2: Convert to fraction form
    6,374.72/8,800.08 = 4,253.78/x
  3. Step 3: Cross multiply
    6,374.72x = 8,800.08 × 4,253.78
  4. Step 4: Simplify right side
    6,374.72x = 37,433,604.30
  5. Step 5: Solve for x
    x = 37,433,604.30/6,374.72
  6. Step 6: Final answer
    x = 5,872.20

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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.