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Finding the Fourth Proportional to 5,817.24, 8,690.46 and 3,720.48

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Solution

The fourth proportional to 5,817.24, 8,690.46 and 3,720.48 is: 5,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.24 : 8,690.46 = 3,720.48 : x
  2. Step 2: Convert to fraction form
    5,817.24/8,690.46 = 3,720.48/x
  3. Step 3: Cross multiply
    5,817.24x = 8,690.46 × 3,720.48
  4. Step 4: Simplify right side
    5,817.24x = 32,332,682.62
  5. Step 5: Solve for x
    x = 32,332,682.62/5,817.24
  6. Step 6: Final answer
    x = 5,558.08

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.