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Finding the Fourth Proportional to 53,174.52, 79,743.96 and 26,862.48

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Solution

The fourth proportional to 53,174.52, 79,743.96 and 26,862.48 is: 40,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,174.52 : 79,743.96 = 26,862.48 : x
  2. Step 2: Convert to fraction form
    53,174.52/79,743.96 = 26,862.48/x
  3. Step 3: Cross multiply
    53,174.52x = 79,743.96 × 26,862.48
  4. Step 4: Simplify right side
    53,174.52x = 2,142,120,530.62
  5. Step 5: Solve for x
    x = 2,142,120,530.62/53,174.52
  6. Step 6: Final answer
    x = 40,284.72

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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.