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Finding the Fourth Proportional to 3,444.21, 5,166.27 and 847.17

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Solution

The fourth proportional to 3,444.21, 5,166.27 and 847.17 is: 1,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.21 : 5,166.27 = 847.17 : x
  2. Step 2: Convert to fraction form
    3,444.21/5,166.27 = 847.17/x
  3. Step 3: Cross multiply
    3,444.21x = 5,166.27 × 847.17
  4. Step 4: Simplify right side
    3,444.21x = 4,376,708.96
  5. Step 5: Solve for x
    x = 4,376,708.96/3,444.21
  6. Step 6: Final answer
    x = 1,270.74

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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.