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Finding the Fourth Proportional to 955.36, 1,314.48 and 933.52

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Solution

The fourth proportional to 955.36, 1,314.48 and 933.52 is: 1,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.36 : 1,314.48 = 933.52 : x
  2. Step 2: Convert to fraction form
    955.36/1,314.48 = 933.52/x
  3. Step 3: Cross multiply
    955.36x = 1,314.48 × 933.52
  4. Step 4: Simplify right side
    955.36x = 1,227,093.37
  5. Step 5: Solve for x
    x = 1,227,093.37/955.36
  6. Step 6: Final answer
    x = 1,284.43

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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.