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Finding the Fourth Proportional to 2,276.73, 3,416.41 and 889.99

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Solution

The fourth proportional to 2,276.73, 3,416.41 and 889.99 is: 1,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.73 : 3,416.41 = 889.99 : x
  2. Step 2: Convert to fraction form
    2,276.73/3,416.41 = 889.99/x
  3. Step 3: Cross multiply
    2,276.73x = 3,416.41 × 889.99
  4. Step 4: Simplify right side
    2,276.73x = 3,040,570.74
  5. Step 5: Solve for x
    x = 3,040,570.74/2,276.73
  6. Step 6: Final answer
    x = 1,335.50

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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.