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Finding the Fourth Proportional to 2,194.82, 3,292.80 and 897.20

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Solution

The fourth proportional to 2,194.82, 3,292.80 and 897.20 is: 1,346.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.82 : 3,292.80 = 897.20 : x
  2. Step 2: Convert to fraction form
    2,194.82/3,292.80 = 897.20/x
  3. Step 3: Cross multiply
    2,194.82x = 3,292.80 × 897.20
  4. Step 4: Simplify right side
    2,194.82x = 2,954,300.16
  5. Step 5: Solve for x
    x = 2,954,300.16/2,194.82
  6. Step 6: Final answer
    x = 1,346.03

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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.