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Finding the Fourth Proportional to 17,506.72, 26,245.90 and 11,946.07

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Solution

The fourth proportional to 17,506.72, 26,245.90 and 11,946.07 is: 17,909.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,506.72 : 26,245.90 = 11,946.07 : x
  2. Step 2: Convert to fraction form
    17,506.72/26,245.90 = 11,946.07/x
  3. Step 3: Cross multiply
    17,506.72x = 26,245.90 × 11,946.07
  4. Step 4: Simplify right side
    17,506.72x = 313,535,358.61
  5. Step 5: Solve for x
    x = 313,535,358.61/17,506.72
  6. Step 6: Final answer
    x = 17,909.43

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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.