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Finding the Fourth Proportional to 3,355.41, 4,630.52 and 1,863.32

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Solution

The fourth proportional to 3,355.41, 4,630.52 and 1,863.32 is: 2,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.41 : 4,630.52 = 1,863.32 : x
  2. Step 2: Convert to fraction form
    3,355.41/4,630.52 = 1,863.32/x
  3. Step 3: Cross multiply
    3,355.41x = 4,630.52 × 1,863.32
  4. Step 4: Simplify right side
    3,355.41x = 8,628,118.06
  5. Step 5: Solve for x
    x = 8,628,118.06/3,355.41
  6. Step 6: Final answer
    x = 2,571.40

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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.