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Finding the Fourth Proportional to 2,440.50, 3,660.36 and 797.05

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Solution

The fourth proportional to 2,440.50, 3,660.36 and 797.05 is: 1,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.50 : 3,660.36 = 797.05 : x
  2. Step 2: Convert to fraction form
    2,440.50/3,660.36 = 797.05/x
  3. Step 3: Cross multiply
    2,440.50x = 3,660.36 × 797.05
  4. Step 4: Simplify right side
    2,440.50x = 2,917,489.94
  5. Step 5: Solve for x
    x = 2,917,489.94/2,440.50
  6. Step 6: Final answer
    x = 1,195.45

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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.