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Finding the Fourth Proportional to 53,542, 73,889.58 and 29,666.44

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Solution

The fourth proportional to 53,542, 73,889.58 and 29,666.44 is: 40,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,542 : 73,889.58 = 29,666.44 : x
  2. Step 2: Convert to fraction form
    53,542/73,889.58 = 29,666.44/x
  3. Step 3: Cross multiply
    53,542x = 73,889.58 × 29,666.44
  4. Step 4: Simplify right side
    53,542x = 2,192,040,791.70
  5. Step 5: Solve for x
    x = 2,192,040,791.70/53,542
  6. Step 6: Final answer
    x = 40,940.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.