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Finding the Fourth Proportional to 3,361.70, 5,004.82 and 3,345.50

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Solution

The fourth proportional to 3,361.70, 5,004.82 and 3,345.50 is: 4,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.70 : 5,004.82 = 3,345.50 : x
  2. Step 2: Convert to fraction form
    3,361.70/5,004.82 = 3,345.50/x
  3. Step 3: Cross multiply
    3,361.70x = 5,004.82 × 3,345.50
  4. Step 4: Simplify right side
    3,361.70x = 16,743,625.31
  5. Step 5: Solve for x
    x = 16,743,625.31/3,361.70
  6. Step 6: Final answer
    x = 4,980.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.