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Finding the Fourth Proportional to 3,355.54, 4,630.54 and 1,863.50

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Solution

The fourth proportional to 3,355.54, 4,630.54 and 1,863.50 is: 2,571.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.54 : 4,630.54 = 1,863.50 : x
  2. Step 2: Convert to fraction form
    3,355.54/4,630.54 = 1,863.50/x
  3. Step 3: Cross multiply
    3,355.54x = 4,630.54 × 1,863.50
  4. Step 4: Simplify right side
    3,355.54x = 8,629,011.29
  5. Step 5: Solve for x
    x = 8,629,011.29/3,355.54
  6. Step 6: Final answer
    x = 2,571.57

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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.