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Finding the Fourth Proportional to 17,794.78, 26,827.21 and 16,842.22

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Solution

The fourth proportional to 17,794.78, 26,827.21 and 16,842.22 is: 25,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,794.78 : 26,827.21 = 16,842.22 : x
  2. Step 2: Convert to fraction form
    17,794.78/26,827.21 = 16,842.22/x
  3. Step 3: Cross multiply
    17,794.78x = 26,827.21 × 16,842.22
  4. Step 4: Simplify right side
    17,794.78x = 451,829,772.81
  5. Step 5: Solve for x
    x = 451,829,772.81/17,794.78
  6. Step 6: Final answer
    x = 25,391.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.