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Finding the Fourth Proportional to 2,240.74, 3,361.06 and 2,173.07

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Solution

The fourth proportional to 2,240.74, 3,361.06 and 2,173.07 is: 3,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.74 : 3,361.06 = 2,173.07 : x
  2. Step 2: Convert to fraction form
    2,240.74/3,361.06 = 2,173.07/x
  3. Step 3: Cross multiply
    2,240.74x = 3,361.06 × 2,173.07
  4. Step 4: Simplify right side
    2,240.74x = 7,303,818.65
  5. Step 5: Solve for x
    x = 7,303,818.65/2,240.74
  6. Step 6: Final answer
    x = 3,259.56

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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.