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Finding the Fourth Proportional to 8,153.87, 11,252.12 and 4,618.22

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Solution

The fourth proportional to 8,153.87, 11,252.12 and 4,618.22 is: 6,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.87 : 11,252.12 = 4,618.22 : x
  2. Step 2: Convert to fraction form
    8,153.87/11,252.12 = 4,618.22/x
  3. Step 3: Cross multiply
    8,153.87x = 11,252.12 × 4,618.22
  4. Step 4: Simplify right side
    8,153.87x = 51,964,686.27
  5. Step 5: Solve for x
    x = 51,964,686.27/8,153.87
  6. Step 6: Final answer
    x = 6,373.01

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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.