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Finding the Fourth Proportional to 17,792.63, 26,691.83 and 5,477.75

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Solution

The fourth proportional to 17,792.63, 26,691.83 and 5,477.75 is: 8,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792.63 : 26,691.83 = 5,477.75 : x
  2. Step 2: Convert to fraction form
    17,792.63/26,691.83 = 5,477.75/x
  3. Step 3: Cross multiply
    17,792.63x = 26,691.83 × 5,477.75
  4. Step 4: Simplify right side
    17,792.63x = 146,211,171.78
  5. Step 5: Solve for x
    x = 146,211,171.78/17,792.63
  6. Step 6: Final answer
    x = 8,217.51

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1.5x scale

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.