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Finding the Fourth Proportional to 8,776.44, 13,165.90 and 2,851.43

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Solution

The fourth proportional to 8,776.44, 13,165.90 and 2,851.43 is: 4,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.44 : 13,165.90 = 2,851.43 : x
  2. Step 2: Convert to fraction form
    8,776.44/13,165.90 = 2,851.43/x
  3. Step 3: Cross multiply
    8,776.44x = 13,165.90 × 2,851.43
  4. Step 4: Simplify right side
    8,776.44x = 37,541,595.07
  5. Step 5: Solve for x
    x = 37,541,595.07/8,776.44
  6. Step 6: Final answer
    x = 4,277.54

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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.