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Finding the Fourth Proportional to 8,796.66, 12,138.92 and 4,817.02

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Solution

The fourth proportional to 8,796.66, 12,138.92 and 4,817.02 is: 6,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.66 : 12,138.92 = 4,817.02 : x
  2. Step 2: Convert to fraction form
    8,796.66/12,138.92 = 4,817.02/x
  3. Step 3: Cross multiply
    8,796.66x = 12,138.92 × 4,817.02
  4. Step 4: Simplify right side
    8,796.66x = 58,473,420.42
  5. Step 5: Solve for x
    x = 58,473,420.42/8,796.66
  6. Step 6: Final answer
    x = 6,647.23

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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.