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Finding the Fourth Proportional to 2,676.58, 4,015.24 and 922.02

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Solution

The fourth proportional to 2,676.58, 4,015.24 and 922.02 is: 1,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.58 : 4,015.24 = 922.02 : x
  2. Step 2: Convert to fraction form
    2,676.58/4,015.24 = 922.02/x
  3. Step 3: Cross multiply
    2,676.58x = 4,015.24 × 922.02
  4. Step 4: Simplify right side
    2,676.58x = 3,702,114.22
  5. Step 5: Solve for x
    x = 3,702,114.22/2,676.58
  6. Step 6: Final answer
    x = 1,383.15

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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.