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Finding the Fourth Proportional to 952.96, 1,425.49 and 894.64

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Solution

The fourth proportional to 952.96, 1,425.49 and 894.64 is: 1,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.96 : 1,425.49 = 894.64 : x
  2. Step 2: Convert to fraction form
    952.96/1,425.49 = 894.64/x
  3. Step 3: Cross multiply
    952.96x = 1,425.49 × 894.64
  4. Step 4: Simplify right side
    952.96x = 1,275,300.37
  5. Step 5: Solve for x
    x = 1,275,300.37/952.96
  6. Step 6: Final answer
    x = 1,338.25

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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.