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Finding the Fourth Proportional to 1,928.96, 2,893.60 and 941.44

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Solution

The fourth proportional to 1,928.96, 2,893.60 and 941.44 is: 1,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.96 : 2,893.60 = 941.44 : x
  2. Step 2: Convert to fraction form
    1,928.96/2,893.60 = 941.44/x
  3. Step 3: Cross multiply
    1,928.96x = 2,893.60 × 941.44
  4. Step 4: Simplify right side
    1,928.96x = 2,724,150.78
  5. Step 5: Solve for x
    x = 2,724,150.78/1,928.96
  6. Step 6: Final answer
    x = 1,412.24

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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.