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Finding the Fourth Proportional to 9,583.44, 13,233.84 and 7,221.48

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Solution

The fourth proportional to 9,583.44, 13,233.84 and 7,221.48 is: 9,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,583.44 : 13,233.84 = 7,221.48 : x
  2. Step 2: Convert to fraction form
    9,583.44/13,233.84 = 7,221.48/x
  3. Step 3: Cross multiply
    9,583.44x = 13,233.84 × 7,221.48
  4. Step 4: Simplify right side
    9,583.44x = 95,567,910.88
  5. Step 5: Solve for x
    x = 95,567,910.88/9,583.44
  6. Step 6: Final answer
    x = 9,972.19

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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.