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Finding the Fourth Proportional to 2,356.55, 3,534.82 and 796.56

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Solution

The fourth proportional to 2,356.55, 3,534.82 and 796.56 is: 1,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.55 : 3,534.82 = 796.56 : x
  2. Step 2: Convert to fraction form
    2,356.55/3,534.82 = 796.56/x
  3. Step 3: Cross multiply
    2,356.55x = 3,534.82 × 796.56
  4. Step 4: Simplify right side
    2,356.55x = 2,815,696.22
  5. Step 5: Solve for x
    x = 2,815,696.22/2,356.55
  6. Step 6: Final answer
    x = 1,194.84

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1.5x scale

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.