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Finding the Fourth Proportional to 53,193.98, 79,793 and 19,910.54

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Solution

The fourth proportional to 53,193.98, 79,793 and 19,910.54 is: 29,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,193.98 : 79,793 = 19,910.54 : x
  2. Step 2: Convert to fraction form
    53,193.98/79,793 = 19,910.54/x
  3. Step 3: Cross multiply
    53,193.98x = 79,793 × 19,910.54
  4. Step 4: Simplify right side
    53,193.98x = 1,588,721,718.22
  5. Step 5: Solve for x
    x = 1,588,721,718.22/53,193.98
  6. Step 6: Final answer
    x = 29,866.57

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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.