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Finding the Fourth Proportional to 8,676.02, 11,971.62 and 5,271.26

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Solution

The fourth proportional to 8,676.02, 11,971.62 and 5,271.26 is: 7,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.02 : 11,971.62 = 5,271.26 : x
  2. Step 2: Convert to fraction form
    8,676.02/11,971.62 = 5,271.26/x
  3. Step 3: Cross multiply
    8,676.02x = 11,971.62 × 5,271.26
  4. Step 4: Simplify right side
    8,676.02x = 63,105,521.64
  5. Step 5: Solve for x
    x = 63,105,521.64/8,676.02
  6. Step 6: Final answer
    x = 7,273.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.