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Finding the Fourth Proportional to 6,681.02, 9,219.72 and 3,696.68

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Solution

The fourth proportional to 6,681.02, 9,219.72 and 3,696.68 is: 5,101.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.02 : 9,219.72 = 3,696.68 : x
  2. Step 2: Convert to fraction form
    6,681.02/9,219.72 = 3,696.68/x
  3. Step 3: Cross multiply
    6,681.02x = 9,219.72 × 3,696.68
  4. Step 4: Simplify right side
    6,681.02x = 34,082,326.62
  5. Step 5: Solve for x
    x = 34,082,326.62/6,681.02
  6. Step 6: Final answer
    x = 5,101.37

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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.