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Finding the Fourth Proportional to 17,903.36, 26,862.64 and 9,581.22

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Solution

The fourth proportional to 17,903.36, 26,862.64 and 9,581.22 is: 14,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,903.36 : 26,862.64 = 9,581.22 : x
  2. Step 2: Convert to fraction form
    17,903.36/26,862.64 = 9,581.22/x
  3. Step 3: Cross multiply
    17,903.36x = 26,862.64 × 9,581.22
  4. Step 4: Simplify right side
    17,903.36x = 257,376,863.62
  5. Step 5: Solve for x
    x = 257,376,863.62/17,903.36
  6. Step 6: Final answer
    x = 14,375.90

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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.