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Finding the Fourth Proportional to 7,663.30, 11,496.30 and 2,735.80

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Solution

The fourth proportional to 7,663.30, 11,496.30 and 2,735.80 is: 4,104.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.30 : 11,496.30 = 2,735.80 : x
  2. Step 2: Convert to fraction form
    7,663.30/11,496.30 = 2,735.80/x
  3. Step 3: Cross multiply
    7,663.30x = 11,496.30 × 2,735.80
  4. Step 4: Simplify right side
    7,663.30x = 31,451,577.54
  5. Step 5: Solve for x
    x = 31,451,577.54/7,663.30
  6. Step 6: Final answer
    x = 4,104.18

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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.