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Finding the Fourth Proportional to 17,880.96, 26,820.48 and 5,568

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Solution

The fourth proportional to 17,880.96, 26,820.48 and 5,568 is: 8,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.96 : 26,820.48 = 5,568 : x
  2. Step 2: Convert to fraction form
    17,880.96/26,820.48 = 5,568/x
  3. Step 3: Cross multiply
    17,880.96x = 26,820.48 × 5,568
  4. Step 4: Simplify right side
    17,880.96x = 149,336,432.64
  5. Step 5: Solve for x
    x = 149,336,432.64/17,880.96
  6. Step 6: Final answer
    x = 8,351.70

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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.