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Finding the Fourth Proportional to 49,989, 75,020.60 and 23,693.80

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Solution

The fourth proportional to 49,989, 75,020.60 and 23,693.80 is: 35,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989 : 75,020.60 = 23,693.80 : x
  2. Step 2: Convert to fraction form
    49,989/75,020.60 = 23,693.80/x
  3. Step 3: Cross multiply
    49,989x = 75,020.60 × 23,693.80
  4. Step 4: Simplify right side
    49,989x = 1,777,523,092.28
  5. Step 5: Solve for x
    x = 1,777,523,092.28/49,989
  6. Step 6: Final answer
    x = 35,558.28

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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.