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Finding the Fourth Proportional to 7,003.16, 9,659.96 and 4,168.52

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Solution

The fourth proportional to 7,003.16, 9,659.96 and 4,168.52 is: 5,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.16 : 9,659.96 = 4,168.52 : x
  2. Step 2: Convert to fraction form
    7,003.16/9,659.96 = 4,168.52/x
  3. Step 3: Cross multiply
    7,003.16x = 9,659.96 × 4,168.52
  4. Step 4: Simplify right side
    7,003.16x = 40,267,736.46
  5. Step 5: Solve for x
    x = 40,267,736.46/7,003.16
  6. Step 6: Final answer
    x = 5,749.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.