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Finding the Fourth Proportional to 3,084.99, 4,627.34 and 893.67

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Solution

The fourth proportional to 3,084.99, 4,627.34 and 893.67 is: 1,340.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.99 : 4,627.34 = 893.67 : x
  2. Step 2: Convert to fraction form
    3,084.99/4,627.34 = 893.67/x
  3. Step 3: Cross multiply
    3,084.99x = 4,627.34 × 893.67
  4. Step 4: Simplify right side
    3,084.99x = 4,135,314.94
  5. Step 5: Solve for x
    x = 4,135,314.94/3,084.99
  6. Step 6: Final answer
    x = 1,340.46

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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.