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Finding the Fourth Proportional to 958.21, 1,323.47 and 794.59

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Solution

The fourth proportional to 958.21, 1,323.47 and 794.59 is: 1,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    958.21 : 1,323.47 = 794.59 : x
  2. Step 2: Convert to fraction form
    958.21/1,323.47 = 794.59/x
  3. Step 3: Cross multiply
    958.21x = 1,323.47 × 794.59
  4. Step 4: Simplify right side
    958.21x = 1,051,616.03
  5. Step 5: Solve for x
    x = 1,051,616.03/958.21
  6. Step 6: Final answer
    x = 1,097.48

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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.