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Finding the Fourth Proportional to 53,367.99, 73,648.34 and 29,169.64

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Solution

The fourth proportional to 53,367.99, 73,648.34 and 29,169.64 is: 40,254.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,367.99 : 73,648.34 = 29,169.64 : x
  2. Step 2: Convert to fraction form
    53,367.99/73,648.34 = 29,169.64/x
  3. Step 3: Cross multiply
    53,367.99x = 73,648.34 × 29,169.64
  4. Step 4: Simplify right side
    53,367.99x = 2,148,295,564.40
  5. Step 5: Solve for x
    x = 2,148,295,564.40/53,367.99
  6. Step 6: Final answer
    x = 40,254.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.