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Finding the Fourth Proportional to 57,940.80, 86,894.46 and 26,333.25

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Solution

The fourth proportional to 57,940.80, 86,894.46 and 26,333.25 is: 39,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940.80 : 86,894.46 = 26,333.25 : x
  2. Step 2: Convert to fraction form
    57,940.80/86,894.46 = 26,333.25/x
  3. Step 3: Cross multiply
    57,940.80x = 86,894.46 × 26,333.25
  4. Step 4: Simplify right side
    57,940.80x = 2,288,213,538.80
  5. Step 5: Solve for x
    x = 2,288,213,538.80/57,940.80
  6. Step 6: Final answer
    x = 39,492.27

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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.