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Finding the Fourth Proportional to 6,355.32, 8,770.92 and 3,838.68

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Solution

The fourth proportional to 6,355.32, 8,770.92 and 3,838.68 is: 5,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.32 : 8,770.92 = 3,838.68 : x
  2. Step 2: Convert to fraction form
    6,355.32/8,770.92 = 3,838.68/x
  3. Step 3: Cross multiply
    6,355.32x = 8,770.92 × 3,838.68
  4. Step 4: Simplify right side
    6,355.32x = 33,668,755.19
  5. Step 5: Solve for x
    x = 33,668,755.19/6,355.32
  6. Step 6: Final answer
    x = 5,297.73

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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.