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Finding the Fourth Proportional to 7,027.62, 9,700.13 and 4,639.33

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Solution

The fourth proportional to 7,027.62, 9,700.13 and 4,639.33 is: 6,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.62 : 9,700.13 = 4,639.33 : x
  2. Step 2: Convert to fraction form
    7,027.62/9,700.13 = 4,639.33/x
  3. Step 3: Cross multiply
    7,027.62x = 9,700.13 × 4,639.33
  4. Step 4: Simplify right side
    7,027.62x = 45,002,104.11
  5. Step 5: Solve for x
    x = 45,002,104.11/7,027.62
  6. Step 6: Final answer
    x = 6,403.61

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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.