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Finding the Fourth Proportional to 2,850.93, 4,276.09 and 903.29

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Solution

The fourth proportional to 2,850.93, 4,276.09 and 903.29 is: 1,354.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.93 : 4,276.09 = 903.29 : x
  2. Step 2: Convert to fraction form
    2,850.93/4,276.09 = 903.29/x
  3. Step 3: Cross multiply
    2,850.93x = 4,276.09 × 903.29
  4. Step 4: Simplify right side
    2,850.93x = 3,862,529.08
  5. Step 5: Solve for x
    x = 3,862,529.08/2,850.93
  6. Step 6: Final answer
    x = 1,354.83

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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.