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Finding the Fourth Proportional to 8,714.65, 12,029.39 and 5,361.96

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Solution

The fourth proportional to 8,714.65, 12,029.39 and 5,361.96 is: 7,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,714.65 : 12,029.39 = 5,361.96 : x
  2. Step 2: Convert to fraction form
    8,714.65/12,029.39 = 5,361.96/x
  3. Step 3: Cross multiply
    8,714.65x = 12,029.39 × 5,361.96
  4. Step 4: Simplify right side
    8,714.65x = 64,501,108.00
  5. Step 5: Solve for x
    x = 64,501,108.00/8,714.65
  6. Step 6: Final answer
    x = 7,401.46

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