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Finding the Fourth Proportional to 8,983.92, 13,477.88 and 2,744.48

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Solution

The fourth proportional to 8,983.92, 13,477.88 and 2,744.48 is: 4,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.92 : 13,477.88 = 2,744.48 : x
  2. Step 2: Convert to fraction form
    8,983.92/13,477.88 = 2,744.48/x
  3. Step 3: Cross multiply
    8,983.92x = 13,477.88 × 2,744.48
  4. Step 4: Simplify right side
    8,983.92x = 36,989,772.10
  5. Step 5: Solve for x
    x = 36,989,772.10/8,983.92
  6. Step 6: Final answer
    x = 4,117.33

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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.