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Finding the Fourth Proportional to 1,749.37, 2,624.06 and 775.48

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Solution

The fourth proportional to 1,749.37, 2,624.06 and 775.48 is: 1,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.37 : 2,624.06 = 775.48 : x
  2. Step 2: Convert to fraction form
    1,749.37/2,624.06 = 775.48/x
  3. Step 3: Cross multiply
    1,749.37x = 2,624.06 × 775.48
  4. Step 4: Simplify right side
    1,749.37x = 2,034,906.05
  5. Step 5: Solve for x
    x = 2,034,906.05/1,749.37
  6. Step 6: Final answer
    x = 1,163.22

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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.