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Finding the Fourth Proportional to 3,455.73, 4,768.83 and 1,883.88

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Solution

The fourth proportional to 3,455.73, 4,768.83 and 1,883.88 is: 2,599.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.73 : 4,768.83 = 1,883.88 : x
  2. Step 2: Convert to fraction form
    3,455.73/4,768.83 = 1,883.88/x
  3. Step 3: Cross multiply
    3,455.73x = 4,768.83 × 1,883.88
  4. Step 4: Simplify right side
    3,455.73x = 8,983,903.46
  5. Step 5: Solve for x
    x = 8,983,903.46/3,455.73
  6. Step 6: Final answer
    x = 2,599.71

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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.