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Finding the Fourth Proportional to 1,190.70, 1,797.24 and 1,190.70

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Solution

The fourth proportional to 1,190.70, 1,797.24 and 1,190.70 is: 1,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190.70 : 1,797.24 = 1,190.70 : x
  2. Step 2: Convert to fraction form
    1,190.70/1,797.24 = 1,190.70/x
  3. Step 3: Cross multiply
    1,190.70x = 1,797.24 × 1,190.70
  4. Step 4: Simplify right side
    1,190.70x = 2,139,973.67
  5. Step 5: Solve for x
    x = 2,139,973.67/1,190.70
  6. Step 6: Final answer
    x = 1,797.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.