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Finding the Fourth Proportional to 3,267.95, 4,509.78 and 1,775.89

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Solution

The fourth proportional to 3,267.95, 4,509.78 and 1,775.89 is: 2,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.95 : 4,509.78 = 1,775.89 : x
  2. Step 2: Convert to fraction form
    3,267.95/4,509.78 = 1,775.89/x
  3. Step 3: Cross multiply
    3,267.95x = 4,509.78 × 1,775.89
  4. Step 4: Simplify right side
    3,267.95x = 8,008,873.20
  5. Step 5: Solve for x
    x = 8,008,873.20/3,267.95
  6. Step 6: Final answer
    x = 2,450.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.