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Finding the Fourth Proportional to 17,873.22, 26,813.07 and 5,392.74

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Solution

The fourth proportional to 17,873.22, 26,813.07 and 5,392.74 is: 8,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,873.22 : 26,813.07 = 5,392.74 : x
  2. Step 2: Convert to fraction form
    17,873.22/26,813.07 = 5,392.74/x
  3. Step 3: Cross multiply
    17,873.22x = 26,813.07 × 5,392.74
  4. Step 4: Simplify right side
    17,873.22x = 144,595,915.11
  5. Step 5: Solve for x
    x = 144,595,915.11/17,873.22
  6. Step 6: Final answer
    x = 8,090.09

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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.