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Finding the Fourth Proportional to 2,676.64, 4,009.56 and 2,355.88

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Solution

The fourth proportional to 2,676.64, 4,009.56 and 2,355.88 is: 3,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.64 : 4,009.56 = 2,355.88 : x
  2. Step 2: Convert to fraction form
    2,676.64/4,009.56 = 2,355.88/x
  3. Step 3: Cross multiply
    2,676.64x = 4,009.56 × 2,355.88
  4. Step 4: Simplify right side
    2,676.64x = 9,446,042.21
  5. Step 5: Solve for x
    x = 9,446,042.21/2,676.64
  6. Step 6: Final answer
    x = 3,529.07

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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.