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Finding the Fourth Proportional to 3,203.40, 4,800.60 and 2,546.40

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Solution

The fourth proportional to 3,203.40, 4,800.60 and 2,546.40 is: 3,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.40 : 4,800.60 = 2,546.40 : x
  2. Step 2: Convert to fraction form
    3,203.40/4,800.60 = 2,546.40/x
  3. Step 3: Cross multiply
    3,203.40x = 4,800.60 × 2,546.40
  4. Step 4: Simplify right side
    3,203.40x = 12,224,247.84
  5. Step 5: Solve for x
    x = 12,224,247.84/3,203.40
  6. Step 6: Final answer
    x = 3,816.02

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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.