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Finding the Fourth Proportional to 8,983.93, 13,478.49 and 3,717.96

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Solution

The fourth proportional to 8,983.93, 13,478.49 and 3,717.96 is: 5,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.93 : 13,478.49 = 3,717.96 : x
  2. Step 2: Convert to fraction form
    8,983.93/13,478.49 = 3,717.96/x
  3. Step 3: Cross multiply
    8,983.93x = 13,478.49 × 3,717.96
  4. Step 4: Simplify right side
    8,983.93x = 50,112,549.86
  5. Step 5: Solve for x
    x = 50,112,549.86/8,983.93
  6. Step 6: Final answer
    x = 5,578.02

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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.