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Finding the Fourth Proportional to 2,736.95, 3,776.87 and 1,676.48

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Solution

The fourth proportional to 2,736.95, 3,776.87 and 1,676.48 is: 2,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.95 : 3,776.87 = 1,676.48 : x
  2. Step 2: Convert to fraction form
    2,736.95/3,776.87 = 1,676.48/x
  3. Step 3: Cross multiply
    2,736.95x = 3,776.87 × 1,676.48
  4. Step 4: Simplify right side
    2,736.95x = 6,331,819.75
  5. Step 5: Solve for x
    x = 6,331,819.75/2,736.95
  6. Step 6: Final answer
    x = 2,313.46

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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.