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Finding the Fourth Proportional to 53,835, 80,753.22 and 16,899

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Solution

The fourth proportional to 53,835, 80,753.22 and 16,899 is: 25,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,835 : 80,753.22 = 16,899 : x
  2. Step 2: Convert to fraction form
    53,835/80,753.22 = 16,899/x
  3. Step 3: Cross multiply
    53,835x = 80,753.22 × 16,899
  4. Step 4: Simplify right side
    53,835x = 1,364,648,664.78
  5. Step 5: Solve for x
    x = 1,364,648,664.78/53,835
  6. Step 6: Final answer
    x = 25,348.73

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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.