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Finding the Fourth Proportional to 57,803.80, 86,648.10 and 26,584.60

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Solution

The fourth proportional to 57,803.80, 86,648.10 and 26,584.60 is: 39,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,803.80 : 86,648.10 = 26,584.60 : x
  2. Step 2: Convert to fraction form
    57,803.80/86,648.10 = 26,584.60/x
  3. Step 3: Cross multiply
    57,803.80x = 86,648.10 × 26,584.60
  4. Step 4: Simplify right side
    57,803.80x = 2,303,505,079.26
  5. Step 5: Solve for x
    x = 2,303,505,079.26/57,803.80
  6. Step 6: Final answer
    x = 39,850.41

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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.