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Finding the Fourth Proportional to 8,977.44, 13,466.70 and 2,821.44

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Solution

The fourth proportional to 8,977.44, 13,466.70 and 2,821.44 is: 4,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.44 : 13,466.70 = 2,821.44 : x
  2. Step 2: Convert to fraction form
    8,977.44/13,466.70 = 2,821.44/x
  3. Step 3: Cross multiply
    8,977.44x = 13,466.70 × 2,821.44
  4. Step 4: Simplify right side
    8,977.44x = 37,995,486.05
  5. Step 5: Solve for x
    x = 37,995,486.05/8,977.44
  6. Step 6: Final answer
    x = 4,232.33

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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.