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Finding the Fourth Proportional to 57,684.37, 86,496.56 and 26,079.31

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Solution

The fourth proportional to 57,684.37, 86,496.56 and 26,079.31 is: 39,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,684.37 : 86,496.56 = 26,079.31 : x
  2. Step 2: Convert to fraction form
    57,684.37/86,496.56 = 26,079.31/x
  3. Step 3: Cross multiply
    57,684.37x = 86,496.56 × 26,079.31
  4. Step 4: Simplify right side
    57,684.37x = 2,255,770,602.17
  5. Step 5: Solve for x
    x = 2,255,770,602.17/57,684.37
  6. Step 6: Final answer
    x = 39,105.40

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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.