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Finding the Fourth Proportional to 7,093.71, 9,788.72 and 3,950.19

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Solution

The fourth proportional to 7,093.71, 9,788.72 and 3,950.19 is: 5,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.71 : 9,788.72 = 3,950.19 : x
  2. Step 2: Convert to fraction form
    7,093.71/9,788.72 = 3,950.19/x
  3. Step 3: Cross multiply
    7,093.71x = 9,788.72 × 3,950.19
  4. Step 4: Simplify right side
    7,093.71x = 38,667,284.11
  5. Step 5: Solve for x
    x = 38,667,284.11/7,093.71
  6. Step 6: Final answer
    x = 5,450.93

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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.