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Finding the Fourth Proportional to 53,397.44, 80,107.62 and 15,960.44

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Solution

The fourth proportional to 53,397.44, 80,107.62 and 15,960.44 is: 23,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,397.44 : 80,107.62 = 15,960.44 : x
  2. Step 2: Convert to fraction form
    53,397.44/80,107.62 = 15,960.44/x
  3. Step 3: Cross multiply
    53,397.44x = 80,107.62 × 15,960.44
  4. Step 4: Simplify right side
    53,397.44x = 1,278,552,862.55
  5. Step 5: Solve for x
    x = 1,278,552,862.55/53,397.44
  6. Step 6: Final answer
    x = 23,944.09

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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.