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Finding the Fourth Proportional to 3,355.57, 5,031.05 and 1,708.93

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Solution

The fourth proportional to 3,355.57, 5,031.05 and 1,708.93 is: 2,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.57 : 5,031.05 = 1,708.93 : x
  2. Step 2: Convert to fraction form
    3,355.57/5,031.05 = 1,708.93/x
  3. Step 3: Cross multiply
    3,355.57x = 5,031.05 × 1,708.93
  4. Step 4: Simplify right side
    3,355.57x = 8,597,687.12
  5. Step 5: Solve for x
    x = 8,597,687.12/3,355.57
  6. Step 6: Final answer
    x = 2,562.22

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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.