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Finding the Fourth Proportional to 40,605.52, 60,908.30 and 21,894.37

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Solution

The fourth proportional to 40,605.52, 60,908.30 and 21,894.37 is: 32,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.52 : 60,908.30 = 21,894.37 : x
  2. Step 2: Convert to fraction form
    40,605.52/60,908.30 = 21,894.37/x
  3. Step 3: Cross multiply
    40,605.52x = 60,908.30 × 21,894.37
  4. Step 4: Simplify right side
    40,605.52x = 1,333,548,676.63
  5. Step 5: Solve for x
    x = 1,333,548,676.63/40,605.52
  6. Step 6: Final answer
    x = 32,841.56

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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.