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Finding the Fourth Proportional to 4,823.38, 7,223.39 and 3,338.44

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Solution

The fourth proportional to 4,823.38, 7,223.39 and 3,338.44 is: 4,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.38 : 7,223.39 = 3,338.44 : x
  2. Step 2: Convert to fraction form
    4,823.38/7,223.39 = 3,338.44/x
  3. Step 3: Cross multiply
    4,823.38x = 7,223.39 × 3,338.44
  4. Step 4: Simplify right side
    4,823.38x = 24,114,871.49
  5. Step 5: Solve for x
    x = 24,114,871.49/4,823.38
  6. Step 6: Final answer
    x = 4,999.58

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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.