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Finding the Fourth Proportional to 8,480.94, 11,704.30 and 4,704.31

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Solution

The fourth proportional to 8,480.94, 11,704.30 and 4,704.31 is: 6,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,480.94 : 11,704.30 = 4,704.31 : x
  2. Step 2: Convert to fraction form
    8,480.94/11,704.30 = 4,704.31/x
  3. Step 3: Cross multiply
    8,480.94x = 11,704.30 × 4,704.31
  4. Step 4: Simplify right side
    8,480.94x = 55,060,658.40
  5. Step 5: Solve for x
    x = 55,060,658.40/8,480.94
  6. Step 6: Final answer
    x = 6,492.29

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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.