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Finding the Fourth Proportional to 8,983.69, 13,474.38 and 5,652.43

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Solution

The fourth proportional to 8,983.69, 13,474.38 and 5,652.43 is: 8,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.69 : 13,474.38 = 5,652.43 : x
  2. Step 2: Convert to fraction form
    8,983.69/13,474.38 = 5,652.43/x
  3. Step 3: Cross multiply
    8,983.69x = 13,474.38 × 5,652.43
  4. Step 4: Simplify right side
    8,983.69x = 76,162,989.74
  5. Step 5: Solve for x
    x = 76,162,989.74/8,983.69
  6. Step 6: Final answer
    x = 8,477.92

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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.