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Finding the Fourth Proportional to 7,093.16, 9,788.55 and 3,950.09

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Solution

The fourth proportional to 7,093.16, 9,788.55 and 3,950.09 is: 5,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.16 : 9,788.55 = 3,950.09 : x
  2. Step 2: Convert to fraction form
    7,093.16/9,788.55 = 3,950.09/x
  3. Step 3: Cross multiply
    7,093.16x = 9,788.55 × 3,950.09
  4. Step 4: Simplify right side
    7,093.16x = 38,665,653.47
  5. Step 5: Solve for x
    x = 38,665,653.47/7,093.16
  6. Step 6: Final answer
    x = 5,451.12

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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.