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Finding the Fourth Proportional to 27,943.80, 41,910.90 and 10,404.60

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Solution

The fourth proportional to 27,943.80, 41,910.90 and 10,404.60 is: 15,605.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943.80 : 41,910.90 = 10,404.60 : x
  2. Step 2: Convert to fraction form
    27,943.80/41,910.90 = 10,404.60/x
  3. Step 3: Cross multiply
    27,943.80x = 41,910.90 × 10,404.60
  4. Step 4: Simplify right side
    27,943.80x = 436,066,150.14
  5. Step 5: Solve for x
    x = 436,066,150.14/27,943.80
  6. Step 6: Final answer
    x = 15,605.11

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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.