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Finding the Fourth Proportional to 5,765.95, 8,647.88 and 2,018.28

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Solution

The fourth proportional to 5,765.95, 8,647.88 and 2,018.28 is: 3,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,765.95 : 8,647.88 = 2,018.28 : x
  2. Step 2: Convert to fraction form
    5,765.95/8,647.88 = 2,018.28/x
  3. Step 3: Cross multiply
    5,765.95x = 8,647.88 × 2,018.28
  4. Step 4: Simplify right side
    5,765.95x = 17,453,843.25
  5. Step 5: Solve for x
    x = 17,453,843.25/5,765.95
  6. Step 6: Final answer
    x = 3,027.05

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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.