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Finding the Fourth Proportional to 5,808.22, 8,709.68 and 1,858.71

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Solution

The fourth proportional to 5,808.22, 8,709.68 and 1,858.71 is: 2,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.22 : 8,709.68 = 1,858.71 : x
  2. Step 2: Convert to fraction form
    5,808.22/8,709.68 = 1,858.71/x
  3. Step 3: Cross multiply
    5,808.22x = 8,709.68 × 1,858.71
  4. Step 4: Simplify right side
    5,808.22x = 16,188,796.17
  5. Step 5: Solve for x
    x = 16,188,796.17/5,808.22
  6. Step 6: Final answer
    x = 2,787.22

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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.