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Finding the Fourth Proportional to 27,953.88, 41,893.65 and 20,523.48

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Solution

The fourth proportional to 27,953.88, 41,893.65 and 20,523.48 is: 30,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,953.88 : 41,893.65 = 20,523.48 : x
  2. Step 2: Convert to fraction form
    27,953.88/41,893.65 = 20,523.48/x
  3. Step 3: Cross multiply
    27,953.88x = 41,893.65 × 20,523.48
  4. Step 4: Simplify right side
    27,953.88x = 859,803,487.90
  5. Step 5: Solve for x
    x = 859,803,487.90/27,953.88
  6. Step 6: Final answer
    x = 30,757.93

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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.