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Finding the Fourth Proportional to 27,393.42, 41,091.95 and 9,621.91

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Solution

The fourth proportional to 27,393.42, 41,091.95 and 9,621.91 is: 14,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,393.42 : 41,091.95 = 9,621.91 : x
  2. Step 2: Convert to fraction form
    27,393.42/41,091.95 = 9,621.91/x
  3. Step 3: Cross multiply
    27,393.42x = 41,091.95 × 9,621.91
  4. Step 4: Simplify right side
    27,393.42x = 395,383,181.49
  5. Step 5: Solve for x
    x = 395,383,181.49/27,393.42
  6. Step 6: Final answer
    x = 14,433.51

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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.