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Finding the Fourth Proportional to 8,884.73, 13,331.70 and 3,623.60

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Solution

The fourth proportional to 8,884.73, 13,331.70 and 3,623.60 is: 5,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.73 : 13,331.70 = 3,623.60 : x
  2. Step 2: Convert to fraction form
    8,884.73/13,331.70 = 3,623.60/x
  3. Step 3: Cross multiply
    8,884.73x = 13,331.70 × 3,623.60
  4. Step 4: Simplify right side
    8,884.73x = 48,308,728.38
  5. Step 5: Solve for x
    x = 48,308,728.38/8,884.73
  6. Step 6: Final answer
    x = 5,437.28

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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.