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Finding the Fourth Proportional to 2,750.63, 3,794.85 and 1,899.83

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Solution

The fourth proportional to 2,750.63, 3,794.85 and 1,899.83 is: 2,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.63 : 3,794.85 = 1,899.83 : x
  2. Step 2: Convert to fraction form
    2,750.63/3,794.85 = 1,899.83/x
  3. Step 3: Cross multiply
    2,750.63x = 3,794.85 × 1,899.83
  4. Step 4: Simplify right side
    2,750.63x = 7,209,562.77
  5. Step 5: Solve for x
    x = 7,209,562.77/2,750.63
  6. Step 6: Final answer
    x = 2,621.06

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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.