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Finding the Fourth Proportional to 1,481.94, 2,044.20 and 957.98

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Solution

The fourth proportional to 1,481.94, 2,044.20 and 957.98 is: 1,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481.94 : 2,044.20 = 957.98 : x
  2. Step 2: Convert to fraction form
    1,481.94/2,044.20 = 957.98/x
  3. Step 3: Cross multiply
    1,481.94x = 2,044.20 × 957.98
  4. Step 4: Simplify right side
    1,481.94x = 1,958,302.72
  5. Step 5: Solve for x
    x = 1,958,302.72/1,481.94
  6. Step 6: Final answer
    x = 1,321.45

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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.