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Finding the Fourth Proportional to 6,630.03, 9,949.59 and 4,291.11

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Solution

The fourth proportional to 6,630.03, 9,949.59 and 4,291.11 is: 6,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.03 : 9,949.59 = 4,291.11 : x
  2. Step 2: Convert to fraction form
    6,630.03/9,949.59 = 4,291.11/x
  3. Step 3: Cross multiply
    6,630.03x = 9,949.59 × 4,291.11
  4. Step 4: Simplify right side
    6,630.03x = 42,694,785.14
  5. Step 5: Solve for x
    x = 42,694,785.14/6,630.03
  6. Step 6: Final answer
    x = 6,439.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.