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Finding the Fourth Proportional to 6,510.64, 8,984.03 and 3,638.83

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Solution

The fourth proportional to 6,510.64, 8,984.03 and 3,638.83 is: 5,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.64 : 8,984.03 = 3,638.83 : x
  2. Step 2: Convert to fraction form
    6,510.64/8,984.03 = 3,638.83/x
  3. Step 3: Cross multiply
    6,510.64x = 8,984.03 × 3,638.83
  4. Step 4: Simplify right side
    6,510.64x = 32,691,344.52
  5. Step 5: Solve for x
    x = 32,691,344.52/6,510.64
  6. Step 6: Final answer
    x = 5,021.22

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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.