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Finding the Fourth Proportional to 2,850.99, 4,276.49 and 903.35

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Solution

The fourth proportional to 2,850.99, 4,276.49 and 903.35 is: 1,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.99 : 4,276.49 = 903.35 : x
  2. Step 2: Convert to fraction form
    2,850.99/4,276.49 = 903.35/x
  3. Step 3: Cross multiply
    2,850.99x = 4,276.49 × 903.35
  4. Step 4: Simplify right side
    2,850.99x = 3,863,167.24
  5. Step 5: Solve for x
    x = 3,863,167.24/2,850.99
  6. Step 6: Final answer
    x = 1,355.03

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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.