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Finding the Fourth Proportional to 7,076.56, 10,611.18 and 3,177.64

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Solution

The fourth proportional to 7,076.56, 10,611.18 and 3,177.64 is: 4,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.56 : 10,611.18 = 3,177.64 : x
  2. Step 2: Convert to fraction form
    7,076.56/10,611.18 = 3,177.64/x
  3. Step 3: Cross multiply
    7,076.56x = 10,611.18 × 3,177.64
  4. Step 4: Simplify right side
    7,076.56x = 33,718,510.02
  5. Step 5: Solve for x
    x = 33,718,510.02/7,076.56
  6. Step 6: Final answer
    x = 4,764.82

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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.