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Finding the Fourth Proportional to 894.86, 1,236.41 and 795.75

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Solution

The fourth proportional to 894.86, 1,236.41 and 795.75 is: 1,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.86 : 1,236.41 = 795.75 : x
  2. Step 2: Convert to fraction form
    894.86/1,236.41 = 795.75/x
  3. Step 3: Cross multiply
    894.86x = 1,236.41 × 795.75
  4. Step 4: Simplify right side
    894.86x = 983,873.26
  5. Step 5: Solve for x
    x = 983,873.26/894.86
  6. Step 6: Final answer
    x = 1,099.47

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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.