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Finding the Fourth Proportional to 1,968.16, 2,952.24 and 798.18

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Solution

The fourth proportional to 1,968.16, 2,952.24 and 798.18 is: 1,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.16 : 2,952.24 = 798.18 : x
  2. Step 2: Convert to fraction form
    1,968.16/2,952.24 = 798.18/x
  3. Step 3: Cross multiply
    1,968.16x = 2,952.24 × 798.18
  4. Step 4: Simplify right side
    1,968.16x = 2,356,418.92
  5. Step 5: Solve for x
    x = 2,356,418.92/1,968.16
  6. Step 6: Final answer
    x = 1,197.27

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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.