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Finding the Fourth Proportional to 8,914.87, 12,301.61 and 4,934.94

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Solution

The fourth proportional to 8,914.87, 12,301.61 and 4,934.94 is: 6,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914.87 : 12,301.61 = 4,934.94 : x
  2. Step 2: Convert to fraction form
    8,914.87/12,301.61 = 4,934.94/x
  3. Step 3: Cross multiply
    8,914.87x = 12,301.61 × 4,934.94
  4. Step 4: Simplify right side
    8,914.87x = 60,707,707.25
  5. Step 5: Solve for x
    x = 60,707,707.25/8,914.87
  6. Step 6: Final answer
    x = 6,809.71

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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.