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Finding the Fourth Proportional to 36,663.52, 54,981.60 and 14,469.52

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Solution

The fourth proportional to 36,663.52, 54,981.60 and 14,469.52 is: 21,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,663.52 : 54,981.60 = 14,469.52 : x
  2. Step 2: Convert to fraction form
    36,663.52/54,981.60 = 14,469.52/x
  3. Step 3: Cross multiply
    36,663.52x = 54,981.60 × 14,469.52
  4. Step 4: Simplify right side
    36,663.52x = 795,557,360.83
  5. Step 5: Solve for x
    x = 795,557,360.83/36,663.52
  6. Step 6: Final answer
    x = 21,698.88

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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.