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Finding the Fourth Proportional to 1,968.05, 2,952.37 and 735.63

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Solution

The fourth proportional to 1,968.05, 2,952.37 and 735.63 is: 1,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.05 : 2,952.37 = 735.63 : x
  2. Step 2: Convert to fraction form
    1,968.05/2,952.37 = 735.63/x
  3. Step 3: Cross multiply
    1,968.05x = 2,952.37 × 735.63
  4. Step 4: Simplify right side
    1,968.05x = 2,171,860.47
  5. Step 5: Solve for x
    x = 2,171,860.47/1,968.05
  6. Step 6: Final answer
    x = 1,103.56

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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.