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Finding the Fourth Proportional to 5,391.66, 7,436.79 and 3,296.82

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Solution

The fourth proportional to 5,391.66, 7,436.79 and 3,296.82 is: 4,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.66 : 7,436.79 = 3,296.82 : x
  2. Step 2: Convert to fraction form
    5,391.66/7,436.79 = 3,296.82/x
  3. Step 3: Cross multiply
    5,391.66x = 7,436.79 × 3,296.82
  4. Step 4: Simplify right side
    5,391.66x = 24,517,758.01
  5. Step 5: Solve for x
    x = 24,517,758.01/5,391.66
  6. Step 6: Final answer
    x = 4,547.35

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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.