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Finding the Fourth Proportional to 5,811.55, 8,716.01 and 1,651.46

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Solution

The fourth proportional to 5,811.55, 8,716.01 and 1,651.46 is: 2,476.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.55 : 8,716.01 = 1,651.46 : x
  2. Step 2: Convert to fraction form
    5,811.55/8,716.01 = 1,651.46/x
  3. Step 3: Cross multiply
    5,811.55x = 8,716.01 × 1,651.46
  4. Step 4: Simplify right side
    5,811.55x = 14,394,090.04
  5. Step 5: Solve for x
    x = 14,394,090.04/5,811.55
  6. Step 6: Final answer
    x = 2,476.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.