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Finding the Fourth Proportional to 6,907.70, 10,361.55 and 2,290.70

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Solution

The fourth proportional to 6,907.70, 10,361.55 and 2,290.70 is: 3,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.70 : 10,361.55 = 2,290.70 : x
  2. Step 2: Convert to fraction form
    6,907.70/10,361.55 = 2,290.70/x
  3. Step 3: Cross multiply
    6,907.70x = 10,361.55 × 2,290.70
  4. Step 4: Simplify right side
    6,907.70x = 23,735,202.59
  5. Step 5: Solve for x
    x = 23,735,202.59/6,907.70
  6. Step 6: Final answer
    x = 3,436.05

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Double scale
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Similar ratio
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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.