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Finding the Fourth Proportional to 4,377.69, 6,562.81 and 1,910.67

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Solution

The fourth proportional to 4,377.69, 6,562.81 and 1,910.67 is: 2,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.69 : 6,562.81 = 1,910.67 : x
  2. Step 2: Convert to fraction form
    4,377.69/6,562.81 = 1,910.67/x
  3. Step 3: Cross multiply
    4,377.69x = 6,562.81 × 1,910.67
  4. Step 4: Simplify right side
    4,377.69x = 12,539,340.61
  5. Step 5: Solve for x
    x = 12,539,340.61/4,377.69
  6. Step 6: Final answer
    x = 2,864.37

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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.