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Finding the Fourth Proportional to 3,456.88, 4,770.54 and 1,884.96

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Solution

The fourth proportional to 3,456.88, 4,770.54 and 1,884.96 is: 2,601.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.88 : 4,770.54 = 1,884.96 : x
  2. Step 2: Convert to fraction form
    3,456.88/4,770.54 = 1,884.96/x
  3. Step 3: Cross multiply
    3,456.88x = 4,770.54 × 1,884.96
  4. Step 4: Simplify right side
    3,456.88x = 8,992,277.08
  5. Step 5: Solve for x
    x = 8,992,277.08/3,456.88
  6. Step 6: Final answer
    x = 2,601.27

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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.