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Finding the Fourth Proportional to 27,751.03, 41,626.44 and 9,981.66

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Solution

The fourth proportional to 27,751.03, 41,626.44 and 9,981.66 is: 14,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,751.03 : 41,626.44 = 9,981.66 : x
  2. Step 2: Convert to fraction form
    27,751.03/41,626.44 = 9,981.66/x
  3. Step 3: Cross multiply
    27,751.03x = 41,626.44 × 9,981.66
  4. Step 4: Simplify right side
    27,751.03x = 415,500,762.96
  5. Step 5: Solve for x
    x = 415,500,762.96/27,751.03
  6. Step 6: Final answer
    x = 14,972.45

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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.