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Finding the Fourth Proportional to 3,348.96, 4,621.50 and 1,856.86

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Solution

The fourth proportional to 3,348.96, 4,621.50 and 1,856.86 is: 2,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.96 : 4,621.50 = 1,856.86 : x
  2. Step 2: Convert to fraction form
    3,348.96/4,621.50 = 1,856.86/x
  3. Step 3: Cross multiply
    3,348.96x = 4,621.50 × 1,856.86
  4. Step 4: Simplify right side
    3,348.96x = 8,581,478.49
  5. Step 5: Solve for x
    x = 8,581,478.49/3,348.96
  6. Step 6: Final answer
    x = 2,562.43

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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.