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Finding the Fourth Proportional to 3,193.79, 4,790.14 and 884.75

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Solution

The fourth proportional to 3,193.79, 4,790.14 and 884.75 is: 1,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.79 : 4,790.14 = 884.75 : x
  2. Step 2: Convert to fraction form
    3,193.79/4,790.14 = 884.75/x
  3. Step 3: Cross multiply
    3,193.79x = 4,790.14 × 884.75
  4. Step 4: Simplify right side
    3,193.79x = 4,238,076.37
  5. Step 5: Solve for x
    x = 4,238,076.37/3,193.79
  6. Step 6: Final answer
    x = 1,326.97

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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.