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Finding the Fourth Proportional to 5,759.30, 8,638.65 and 1,863.41

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Solution

The fourth proportional to 5,759.30, 8,638.65 and 1,863.41 is: 2,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.30 : 8,638.65 = 1,863.41 : x
  2. Step 2: Convert to fraction form
    5,759.30/8,638.65 = 1,863.41/x
  3. Step 3: Cross multiply
    5,759.30x = 8,638.65 × 1,863.41
  4. Step 4: Simplify right side
    5,759.30x = 16,097,303.60
  5. Step 5: Solve for x
    x = 16,097,303.60/5,759.30
  6. Step 6: Final answer
    x = 2,795.01

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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.