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Finding the Fourth Proportional to 4,240.63, 6,361.12 and 1,162.63

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Solution

The fourth proportional to 4,240.63, 6,361.12 and 1,162.63 is: 1,743.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.63 : 6,361.12 = 1,162.63 : x
  2. Step 2: Convert to fraction form
    4,240.63/6,361.12 = 1,162.63/x
  3. Step 3: Cross multiply
    4,240.63x = 6,361.12 × 1,162.63
  4. Step 4: Simplify right side
    4,240.63x = 7,395,597.14
  5. Step 5: Solve for x
    x = 7,395,597.14/4,240.63
  6. Step 6: Final answer
    x = 1,743.99

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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.