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Finding the Fourth Proportional to 52,993.78, 79,317.60 and 38,950.09

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Solution

The fourth proportional to 52,993.78, 79,317.60 and 38,950.09 is: 58,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,993.78 : 79,317.60 = 38,950.09 : x
  2. Step 2: Convert to fraction form
    52,993.78/79,317.60 = 38,950.09/x
  3. Step 3: Cross multiply
    52,993.78x = 79,317.60 × 38,950.09
  4. Step 4: Simplify right side
    52,993.78x = 3,089,427,658.58
  5. Step 5: Solve for x
    x = 3,089,427,658.58/52,993.78
  6. Step 6: Final answer
    x = 58,297.93

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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.