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Finding the Fourth Proportional to 5,453.95, 8,181.01 and 1,349.95

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Solution

The fourth proportional to 5,453.95, 8,181.01 and 1,349.95 is: 2,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.95 : 8,181.01 = 1,349.95 : x
  2. Step 2: Convert to fraction form
    5,453.95/8,181.01 = 1,349.95/x
  3. Step 3: Cross multiply
    5,453.95x = 8,181.01 × 1,349.95
  4. Step 4: Simplify right side
    5,453.95x = 11,043,947.70
  5. Step 5: Solve for x
    x = 11,043,947.70/5,453.95
  6. Step 6: Final answer
    x = 2,024.94

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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.