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Finding the Fourth Proportional to 2,083.83, 3,125.68 and 850.92

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Solution

The fourth proportional to 2,083.83, 3,125.68 and 850.92 is: 1,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.83 : 3,125.68 = 850.92 : x
  2. Step 2: Convert to fraction form
    2,083.83/3,125.68 = 850.92/x
  3. Step 3: Cross multiply
    2,083.83x = 3,125.68 × 850.92
  4. Step 4: Simplify right side
    2,083.83x = 2,659,703.63
  5. Step 5: Solve for x
    x = 2,659,703.63/2,083.83
  6. Step 6: Final answer
    x = 1,276.35

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1.5x scale

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.