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Finding the Fourth Proportional to 27,168.21, 40,764 and 14,697

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Solution

The fourth proportional to 27,168.21, 40,764 and 14,697 is: 22,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,168.21 : 40,764 = 14,697 : x
  2. Step 2: Convert to fraction form
    27,168.21/40,764 = 14,697/x
  3. Step 3: Cross multiply
    27,168.21x = 40,764 × 14,697
  4. Step 4: Simplify right side
    27,168.21x = 599,108,508
  5. Step 5: Solve for x
    x = 599,108,508/27,168.21
  6. Step 6: Final answer
    x = 22,051.82

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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.