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Finding the Fourth Proportional to 8,795.54, 12,138.12 and 4,817.03

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Solution

The fourth proportional to 8,795.54, 12,138.12 and 4,817.03 is: 6,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.54 : 12,138.12 = 4,817.03 : x
  2. Step 2: Convert to fraction form
    8,795.54/12,138.12 = 4,817.03/x
  3. Step 3: Cross multiply
    8,795.54x = 12,138.12 × 4,817.03
  4. Step 4: Simplify right side
    8,795.54x = 58,469,688.18
  5. Step 5: Solve for x
    x = 58,469,688.18/8,795.54
  6. Step 6: Final answer
    x = 6,647.65

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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.