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Finding the Fourth Proportional to 52,893.81, 79,342.62 and 17,833.77

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Solution

The fourth proportional to 52,893.81, 79,342.62 and 17,833.77 is: 26,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,893.81 : 79,342.62 = 17,833.77 : x
  2. Step 2: Convert to fraction form
    52,893.81/79,342.62 = 17,833.77/x
  3. Step 3: Cross multiply
    52,893.81x = 79,342.62 × 17,833.77
  4. Step 4: Simplify right side
    52,893.81x = 1,414,978,036.28
  5. Step 5: Solve for x
    x = 1,414,978,036.28/52,893.81
  6. Step 6: Final answer
    x = 26,751.30

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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.