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Finding the Fourth Proportional to 2,133.93, 2,944.99 and 1,190.02

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Solution

The fourth proportional to 2,133.93, 2,944.99 and 1,190.02 is: 1,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.93 : 2,944.99 = 1,190.02 : x
  2. Step 2: Convert to fraction form
    2,133.93/2,944.99 = 1,190.02/x
  3. Step 3: Cross multiply
    2,133.93x = 2,944.99 × 1,190.02
  4. Step 4: Simplify right side
    2,133.93x = 3,504,597.00
  5. Step 5: Solve for x
    x = 3,504,597.00/2,133.93
  6. Step 6: Final answer
    x = 1,642.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.