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Finding the Fourth Proportional to 6,898.58, 9,520.08 and 3,754.76

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Solution

The fourth proportional to 6,898.58, 9,520.08 and 3,754.76 is: 5,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.58 : 9,520.08 = 3,754.76 : x
  2. Step 2: Convert to fraction form
    6,898.58/9,520.08 = 3,754.76/x
  3. Step 3: Cross multiply
    6,898.58x = 9,520.08 × 3,754.76
  4. Step 4: Simplify right side
    6,898.58x = 35,745,615.58
  5. Step 5: Solve for x
    x = 35,745,615.58/6,898.58
  6. Step 6: Final answer
    x = 5,181.59

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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.