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Finding the Fourth Proportional to 3,607.54, 5,412.35 and 1,759.73

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Solution

The fourth proportional to 3,607.54, 5,412.35 and 1,759.73 is: 2,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.54 : 5,412.35 = 1,759.73 : x
  2. Step 2: Convert to fraction form
    3,607.54/5,412.35 = 1,759.73/x
  3. Step 3: Cross multiply
    3,607.54x = 5,412.35 × 1,759.73
  4. Step 4: Simplify right side
    3,607.54x = 9,524,252.00
  5. Step 5: Solve for x
    x = 9,524,252.00/3,607.54
  6. Step 6: Final answer
    x = 2,640.10

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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.