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Finding the Fourth Proportional to 5,813.78, 8,719.74 and 2,525.99

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Solution

The fourth proportional to 5,813.78, 8,719.74 and 2,525.99 is: 3,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.78 : 8,719.74 = 2,525.99 : x
  2. Step 2: Convert to fraction form
    5,813.78/8,719.74 = 2,525.99/x
  3. Step 3: Cross multiply
    5,813.78x = 8,719.74 × 2,525.99
  4. Step 4: Simplify right side
    5,813.78x = 22,025,976.04
  5. Step 5: Solve for x
    x = 22,025,976.04/5,813.78
  6. Step 6: Final answer
    x = 3,788.58

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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.