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Finding the Fourth Proportional to 2,262.74, 3,394.26 and 945.99

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Solution

The fourth proportional to 2,262.74, 3,394.26 and 945.99 is: 1,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.74 : 3,394.26 = 945.99 : x
  2. Step 2: Convert to fraction form
    2,262.74/3,394.26 = 945.99/x
  3. Step 3: Cross multiply
    2,262.74x = 3,394.26 × 945.99
  4. Step 4: Simplify right side
    2,262.74x = 3,210,936.02
  5. Step 5: Solve for x
    x = 3,210,936.02/2,262.74
  6. Step 6: Final answer
    x = 1,419.05

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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.