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Finding the Fourth Proportional to 8,520.89, 11,758.82 and 4,983.41

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Solution

The fourth proportional to 8,520.89, 11,758.82 and 4,983.41 is: 6,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.89 : 11,758.82 = 4,983.41 : x
  2. Step 2: Convert to fraction form
    8,520.89/11,758.82 = 4,983.41/x
  3. Step 3: Cross multiply
    8,520.89x = 11,758.82 × 4,983.41
  4. Step 4: Simplify right side
    8,520.89x = 58,598,937.47
  5. Step 5: Solve for x
    x = 58,598,937.47/8,520.89
  6. Step 6: Final answer
    x = 6,877.10

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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.