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Finding the Fourth Proportional to 17,673.10, 26,496.15 and 8,914.30

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Solution

The fourth proportional to 17,673.10, 26,496.15 and 8,914.30 is: 13,364.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,673.10 : 26,496.15 = 8,914.30 : x
  2. Step 2: Convert to fraction form
    17,673.10/26,496.15 = 8,914.30/x
  3. Step 3: Cross multiply
    17,673.10x = 26,496.15 × 8,914.30
  4. Step 4: Simplify right side
    17,673.10x = 236,194,629.95
  5. Step 5: Solve for x
    x = 236,194,629.95/17,673.10
  6. Step 6: Final answer
    x = 13,364.64

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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.