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Finding the Fourth Proportional to 53,896.81, 80,811.33 and 16,444.44

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Solution

The fourth proportional to 53,896.81, 80,811.33 and 16,444.44 is: 24,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.81 : 80,811.33 = 16,444.44 : x
  2. Step 2: Convert to fraction form
    53,896.81/80,811.33 = 16,444.44/x
  3. Step 3: Cross multiply
    53,896.81x = 80,811.33 × 16,444.44
  4. Step 4: Simplify right side
    53,896.81x = 1,328,896,764.46
  5. Step 5: Solve for x
    x = 1,328,896,764.46/53,896.81
  6. Step 6: Final answer
    x = 24,656.32

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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.