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Finding the Fourth Proportional to 1,090.92, 1,634.88 and 797.04

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Solution

The fourth proportional to 1,090.92, 1,634.88 and 797.04 is: 1,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.92 : 1,634.88 = 797.04 : x
  2. Step 2: Convert to fraction form
    1,090.92/1,634.88 = 797.04/x
  3. Step 3: Cross multiply
    1,090.92x = 1,634.88 × 797.04
  4. Step 4: Simplify right side
    1,090.92x = 1,303,064.76
  5. Step 5: Solve for x
    x = 1,303,064.76/1,090.92
  6. Step 6: Final answer
    x = 1,194.46

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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.