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Finding the Fourth Proportional to 1,968.07, 2,952.16 and 798.63

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Solution

The fourth proportional to 1,968.07, 2,952.16 and 798.63 is: 1,197.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.07 : 2,952.16 = 798.63 : x
  2. Step 2: Convert to fraction form
    1,968.07/2,952.16 = 798.63/x
  3. Step 3: Cross multiply
    1,968.07x = 2,952.16 × 798.63
  4. Step 4: Simplify right side
    1,968.07x = 2,357,683.54
  5. Step 5: Solve for x
    x = 2,357,683.54/1,968.07
  6. Step 6: Final answer
    x = 1,197.97

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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.