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Finding the Fourth Proportional to 3,048, 4,206.24 and 1,650.75

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Solution

The fourth proportional to 3,048, 4,206.24 and 1,650.75 is: 2,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048 : 4,206.24 = 1,650.75 : x
  2. Step 2: Convert to fraction form
    3,048/4,206.24 = 1,650.75/x
  3. Step 3: Cross multiply
    3,048x = 4,206.24 × 1,650.75
  4. Step 4: Simplify right side
    3,048x = 6,943,450.68
  5. Step 5: Solve for x
    x = 6,943,450.68/3,048
  6. Step 6: Final answer
    x = 2,278.04

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Double scale
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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.