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Finding the Fourth Proportional to 8,878.82, 13,318.24 and 3,035.48

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Solution

The fourth proportional to 8,878.82, 13,318.24 and 3,035.48 is: 4,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.82 : 13,318.24 = 3,035.48 : x
  2. Step 2: Convert to fraction form
    8,878.82/13,318.24 = 3,035.48/x
  3. Step 3: Cross multiply
    8,878.82x = 13,318.24 × 3,035.48
  4. Step 4: Simplify right side
    8,878.82x = 40,427,251.16
  5. Step 5: Solve for x
    x = 40,427,251.16/8,878.82
  6. Step 6: Final answer
    x = 4,553.22

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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.