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Finding the Fourth Proportional to 2,256.96, 3,383.04 and 957.68

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Solution

The fourth proportional to 2,256.96, 3,383.04 and 957.68 is: 1,435.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.96 : 3,383.04 = 957.68 : x
  2. Step 2: Convert to fraction form
    2,256.96/3,383.04 = 957.68/x
  3. Step 3: Cross multiply
    2,256.96x = 3,383.04 × 957.68
  4. Step 4: Simplify right side
    2,256.96x = 3,239,869.75
  5. Step 5: Solve for x
    x = 3,239,869.75/2,256.96
  6. Step 6: Final answer
    x = 1,435.50

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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.