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Finding the Fourth Proportional to 5,707.70, 8,562.86 and 2,420.92

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Solution

The fourth proportional to 5,707.70, 8,562.86 and 2,420.92 is: 3,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.70 : 8,562.86 = 2,420.92 : x
  2. Step 2: Convert to fraction form
    5,707.70/8,562.86 = 2,420.92/x
  3. Step 3: Cross multiply
    5,707.70x = 8,562.86 × 2,420.92
  4. Step 4: Simplify right side
    5,707.70x = 20,729,999.03
  5. Step 5: Solve for x
    x = 20,729,999.03/5,707.70
  6. Step 6: Final answer
    x = 3,631.94

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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.