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Finding the Fourth Proportional to 7,933.92, 11,902.92 and 3,003.60

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Solution

The fourth proportional to 7,933.92, 11,902.92 and 3,003.60 is: 4,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.92 : 11,902.92 = 3,003.60 : x
  2. Step 2: Convert to fraction form
    7,933.92/11,902.92 = 3,003.60/x
  3. Step 3: Cross multiply
    7,933.92x = 11,902.92 × 3,003.60
  4. Step 4: Simplify right side
    7,933.92x = 35,751,610.51
  5. Step 5: Solve for x
    x = 35,751,610.51/7,933.92
  6. Step 6: Final answer
    x = 4,506.17

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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.