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Finding the Fourth Proportional to 8,808.73, 13,222.31 and 4,647.61

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Solution

The fourth proportional to 8,808.73, 13,222.31 and 4,647.61 is: 6,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.73 : 13,222.31 = 4,647.61 : x
  2. Step 2: Convert to fraction form
    8,808.73/13,222.31 = 4,647.61/x
  3. Step 3: Cross multiply
    8,808.73x = 13,222.31 × 4,647.61
  4. Step 4: Simplify right side
    8,808.73x = 61,452,140.18
  5. Step 5: Solve for x
    x = 61,452,140.18/8,808.73
  6. Step 6: Final answer
    x = 6,976.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.