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Finding the Fourth Proportional to 3,368.01, 4,640.83 and 3,134.44

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Solution

The fourth proportional to 3,368.01, 4,640.83 and 3,134.44 is: 4,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,368.01 : 4,640.83 = 3,134.44 : x
  2. Step 2: Convert to fraction form
    3,368.01/4,640.83 = 3,134.44/x
  3. Step 3: Cross multiply
    3,368.01x = 4,640.83 × 3,134.44
  4. Step 4: Simplify right side
    3,368.01x = 14,546,403.19
  5. Step 5: Solve for x
    x = 14,546,403.19/3,368.01
  6. Step 6: Final answer
    x = 4,318.99

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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.