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Finding the Fourth Proportional to 57,999.36, 86,932.62 and 26,769

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Solution

The fourth proportional to 57,999.36, 86,932.62 and 26,769 is: 40,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.36 : 86,932.62 = 26,769 : x
  2. Step 2: Convert to fraction form
    57,999.36/86,932.62 = 26,769/x
  3. Step 3: Cross multiply
    57,999.36x = 86,932.62 × 26,769
  4. Step 4: Simplify right side
    57,999.36x = 2,327,099,304.78
  5. Step 5: Solve for x
    x = 2,327,099,304.78/57,999.36
  6. Step 6: Final answer
    x = 40,122.84

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1.5x scale

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.