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Finding the Fourth Proportional to 2,959.94, 4,439.91 and 1,662.32

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Solution

The fourth proportional to 2,959.94, 4,439.91 and 1,662.32 is: 2,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.94 : 4,439.91 = 1,662.32 : x
  2. Step 2: Convert to fraction form
    2,959.94/4,439.91 = 1,662.32/x
  3. Step 3: Cross multiply
    2,959.94x = 4,439.91 × 1,662.32
  4. Step 4: Simplify right side
    2,959.94x = 7,380,551.19
  5. Step 5: Solve for x
    x = 7,380,551.19/2,959.94
  6. Step 6: Final answer
    x = 2,493.48

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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.