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Finding the Fourth Proportional to 57,590.73, 79,403.49 and 48,044.48

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Solution

The fourth proportional to 57,590.73, 79,403.49 and 48,044.48 is: 66,241.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,590.73 : 79,403.49 = 48,044.48 : x
  2. Step 2: Convert to fraction form
    57,590.73/79,403.49 = 48,044.48/x
  3. Step 3: Cross multiply
    57,590.73x = 79,403.49 × 48,044.48
  4. Step 4: Simplify right side
    57,590.73x = 3,814,898,990.22
  5. Step 5: Solve for x
    x = 3,814,898,990.22/57,590.73
  6. Step 6: Final answer
    x = 66,241.55

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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.