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Finding the Fourth Proportional to 936.27, 1,289.19 and 848.37

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Solution

The fourth proportional to 936.27, 1,289.19 and 848.37 is: 1,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    936.27 : 1,289.19 = 848.37 : x
  2. Step 2: Convert to fraction form
    936.27/1,289.19 = 848.37/x
  3. Step 3: Cross multiply
    936.27x = 1,289.19 × 848.37
  4. Step 4: Simplify right side
    936.27x = 1,093,710.12
  5. Step 5: Solve for x
    x = 1,093,710.12/936.27
  6. Step 6: Final answer
    x = 1,168.16

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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.