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Finding the Fourth Proportional to 6,446.65, 8,895.92 and 3,793.70

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Solution

The fourth proportional to 6,446.65, 8,895.92 and 3,793.70 is: 5,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.65 : 8,895.92 = 3,793.70 : x
  2. Step 2: Convert to fraction form
    6,446.65/8,895.92 = 3,793.70/x
  3. Step 3: Cross multiply
    6,446.65x = 8,895.92 × 3,793.70
  4. Step 4: Simplify right side
    6,446.65x = 33,748,442.22
  5. Step 5: Solve for x
    x = 33,748,442.22/6,446.65
  6. Step 6: Final answer
    x = 5,235.03

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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.