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Finding the Fourth Proportional to 17,668.41, 26,503.52 and 4,520.90

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Solution

The fourth proportional to 17,668.41, 26,503.52 and 4,520.90 is: 6,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,668.41 : 26,503.52 = 4,520.90 : x
  2. Step 2: Convert to fraction form
    17,668.41/26,503.52 = 4,520.90/x
  3. Step 3: Cross multiply
    17,668.41x = 26,503.52 × 4,520.90
  4. Step 4: Simplify right side
    17,668.41x = 119,819,608.45
  5. Step 5: Solve for x
    x = 119,819,608.45/17,668.41
  6. Step 6: Final answer
    x = 6,781.57

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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.