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Finding the Fourth Proportional to 5,930.61, 8,894.84 and 2,643.09

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Solution

The fourth proportional to 5,930.61, 8,894.84 and 2,643.09 is: 3,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,930.61 : 8,894.84 = 2,643.09 : x
  2. Step 2: Convert to fraction form
    5,930.61/8,894.84 = 2,643.09/x
  3. Step 3: Cross multiply
    5,930.61x = 8,894.84 × 2,643.09
  4. Step 4: Simplify right side
    5,930.61x = 23,509,849.44
  5. Step 5: Solve for x
    x = 23,509,849.44/5,930.61
  6. Step 6: Final answer
    x = 3,964.15

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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.