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Finding the Fourth Proportional to 7,611.44, 11,415.78 and 2,064.02

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Solution

The fourth proportional to 7,611.44, 11,415.78 and 2,064.02 is: 3,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.44 : 11,415.78 = 2,064.02 : x
  2. Step 2: Convert to fraction form
    7,611.44/11,415.78 = 2,064.02/x
  3. Step 3: Cross multiply
    7,611.44x = 11,415.78 × 2,064.02
  4. Step 4: Simplify right side
    7,611.44x = 23,562,341.16
  5. Step 5: Solve for x
    x = 23,562,341.16/7,611.44
  6. Step 6: Final answer
    x = 3,095.65

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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.