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Finding the Fourth Proportional to 7,674.49, 10,591.42 and 4,317.11

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Solution

The fourth proportional to 7,674.49, 10,591.42 and 4,317.11 is: 5,957.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.49 : 10,591.42 = 4,317.11 : x
  2. Step 2: Convert to fraction form
    7,674.49/10,591.42 = 4,317.11/x
  3. Step 3: Cross multiply
    7,674.49x = 10,591.42 × 4,317.11
  4. Step 4: Simplify right side
    7,674.49x = 45,724,265.24
  5. Step 5: Solve for x
    x = 45,724,265.24/7,674.49
  6. Step 6: Final answer
    x = 5,957.95

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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.