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Finding the Fourth Proportional to 5,861.63, 8,788.48 and 3,085.36

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Solution

The fourth proportional to 5,861.63, 8,788.48 and 3,085.36 is: 4,625.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.63 : 8,788.48 = 3,085.36 : x
  2. Step 2: Convert to fraction form
    5,861.63/8,788.48 = 3,085.36/x
  3. Step 3: Cross multiply
    5,861.63x = 8,788.48 × 3,085.36
  4. Step 4: Simplify right side
    5,861.63x = 27,115,624.65
  5. Step 5: Solve for x
    x = 27,115,624.65/5,861.63
  6. Step 6: Final answer
    x = 4,625.95

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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.