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Finding the Fourth Proportional to 6,271.88, 8,655.54 and 3,754.76

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Solution

The fourth proportional to 6,271.88, 8,655.54 and 3,754.76 is: 5,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.88 : 8,655.54 = 3,754.76 : x
  2. Step 2: Convert to fraction form
    6,271.88/8,655.54 = 3,754.76/x
  3. Step 3: Cross multiply
    6,271.88x = 8,655.54 × 3,754.76
  4. Step 4: Simplify right side
    6,271.88x = 32,499,475.37
  5. Step 5: Solve for x
    x = 32,499,475.37/6,271.88
  6. Step 6: Final answer
    x = 5,181.78

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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.