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Finding the Fourth Proportional to 3,321.64, 4,982.73 and 3,234.16

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Solution

The fourth proportional to 3,321.64, 4,982.73 and 3,234.16 is: 4,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.64 : 4,982.73 = 3,234.16 : x
  2. Step 2: Convert to fraction form
    3,321.64/4,982.73 = 3,234.16/x
  3. Step 3: Cross multiply
    3,321.64x = 4,982.73 × 3,234.16
  4. Step 4: Simplify right side
    3,321.64x = 16,114,946.06
  5. Step 5: Solve for x
    x = 16,114,946.06/3,321.64
  6. Step 6: Final answer
    x = 4,851.50

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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.