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Finding the Fourth Proportional to 6,450.92, 8,902.34 and 3,579.70

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Solution

The fourth proportional to 6,450.92, 8,902.34 and 3,579.70 is: 4,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.92 : 8,902.34 = 3,579.70 : x
  2. Step 2: Convert to fraction form
    6,450.92/8,902.34 = 3,579.70/x
  3. Step 3: Cross multiply
    6,450.92x = 8,902.34 × 3,579.70
  4. Step 4: Simplify right side
    6,450.92x = 31,867,693.19
  5. Step 5: Solve for x
    x = 31,867,693.19/6,450.92
  6. Step 6: Final answer
    x = 4,940.02

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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.