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Finding the Fourth Proportional to 3,059.66, 4,224.21 and 1,942.22

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Solution

The fourth proportional to 3,059.66, 4,224.21 and 1,942.22 is: 2,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.66 : 4,224.21 = 1,942.22 : x
  2. Step 2: Convert to fraction form
    3,059.66/4,224.21 = 1,942.22/x
  3. Step 3: Cross multiply
    3,059.66x = 4,224.21 × 1,942.22
  4. Step 4: Simplify right side
    3,059.66x = 8,204,345.15
  5. Step 5: Solve for x
    x = 8,204,345.15/3,059.66
  6. Step 6: Final answer
    x = 2,681.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.