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Finding the Fourth Proportional to 7,616.64, 11,424.96 and 2,069.99

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Solution

The fourth proportional to 7,616.64, 11,424.96 and 2,069.99 is: 3,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.64 : 11,424.96 = 2,069.99 : x
  2. Step 2: Convert to fraction form
    7,616.64/11,424.96 = 2,069.99/x
  3. Step 3: Cross multiply
    7,616.64x = 11,424.96 × 2,069.99
  4. Step 4: Simplify right side
    7,616.64x = 23,649,495.83
  5. Step 5: Solve for x
    x = 23,649,495.83/7,616.64
  6. Step 6: Final answer
    x = 3,104.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.