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Finding the Fourth Proportional to 52,662.93, 79,004.66 and 19,383.27

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Solution

The fourth proportional to 52,662.93, 79,004.66 and 19,383.27 is: 29,078.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,662.93 : 79,004.66 = 19,383.27 : x
  2. Step 2: Convert to fraction form
    52,662.93/79,004.66 = 19,383.27/x
  3. Step 3: Cross multiply
    52,662.93x = 79,004.66 × 19,383.27
  4. Step 4: Simplify right side
    52,662.93x = 1,531,368,559.12
  5. Step 5: Solve for x
    x = 1,531,368,559.12/52,662.93
  6. Step 6: Final answer
    x = 29,078.68

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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.