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Finding the Fourth Proportional to 2,833.79, 4,230.02 and 2,625.33

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Solution

The fourth proportional to 2,833.79, 4,230.02 and 2,625.33 is: 3,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.79 : 4,230.02 = 2,625.33 : x
  2. Step 2: Convert to fraction form
    2,833.79/4,230.02 = 2,625.33/x
  3. Step 3: Cross multiply
    2,833.79x = 4,230.02 × 2,625.33
  4. Step 4: Simplify right side
    2,833.79x = 11,105,185.28
  5. Step 5: Solve for x
    x = 11,105,185.28/2,833.79
  6. Step 6: Final answer
    x = 3,918.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.