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Finding the Fourth Proportional to 53,157.96, 79,691.66 and 23,559.66

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Solution

The fourth proportional to 53,157.96, 79,691.66 and 23,559.66 is: 35,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,157.96 : 79,691.66 = 23,559.66 : x
  2. Step 2: Convert to fraction form
    53,157.96/79,691.66 = 23,559.66/x
  3. Step 3: Cross multiply
    53,157.96x = 79,691.66 × 23,559.66
  4. Step 4: Simplify right side
    53,157.96x = 1,877,508,414.44
  5. Step 5: Solve for x
    x = 1,877,508,414.44/53,157.96
  6. Step 6: Final answer
    x = 35,319.42

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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.