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Finding the Fourth Proportional to 3,372, 5,035.86 and 2,910.72

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Solution

The fourth proportional to 3,372, 5,035.86 and 2,910.72 is: 4,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372 : 5,035.86 = 2,910.72 : x
  2. Step 2: Convert to fraction form
    3,372/5,035.86 = 2,910.72/x
  3. Step 3: Cross multiply
    3,372x = 5,035.86 × 2,910.72
  4. Step 4: Simplify right side
    3,372x = 14,657,978.42
  5. Step 5: Solve for x
    x = 14,657,978.42/3,372
  6. Step 6: Final answer
    x = 4,346.97

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.