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Finding the Fourth Proportional to 3,311.97, 4,968.05 and 846.82

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Solution

The fourth proportional to 3,311.97, 4,968.05 and 846.82 is: 1,270.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.97 : 4,968.05 = 846.82 : x
  2. Step 2: Convert to fraction form
    3,311.97/4,968.05 = 846.82/x
  3. Step 3: Cross multiply
    3,311.97x = 4,968.05 × 846.82
  4. Step 4: Simplify right side
    3,311.97x = 4,207,044.10
  5. Step 5: Solve for x
    x = 4,207,044.10/3,311.97
  6. Step 6: Final answer
    x = 1,270.25

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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.