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Finding the Fourth Proportional to 3,535.99, 4,879.46 and 1,942.84

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Solution

The fourth proportional to 3,535.99, 4,879.46 and 1,942.84 is: 2,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,535.99 : 4,879.46 = 1,942.84 : x
  2. Step 2: Convert to fraction form
    3,535.99/4,879.46 = 1,942.84/x
  3. Step 3: Cross multiply
    3,535.99x = 4,879.46 × 1,942.84
  4. Step 4: Simplify right side
    3,535.99x = 9,480,010.07
  5. Step 5: Solve for x
    x = 9,480,010.07/3,535.99
  6. Step 6: Final answer
    x = 2,681.01

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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.