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Finding the Fourth Proportional to 2,645.46, 3,651.46 and 1,650.14

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Solution

The fourth proportional to 2,645.46, 3,651.46 and 1,650.14 is: 2,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.46 : 3,651.46 = 1,650.14 : x
  2. Step 2: Convert to fraction form
    2,645.46/3,651.46 = 1,650.14/x
  3. Step 3: Cross multiply
    2,645.46x = 3,651.46 × 1,650.14
  4. Step 4: Simplify right side
    2,645.46x = 6,025,420.20
  5. Step 5: Solve for x
    x = 6,025,420.20/2,645.46
  6. Step 6: Final answer
    x = 2,277.65

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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.