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Finding the Fourth Proportional to 2,646.78, 3,652.74 and 1,467.96

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Solution

The fourth proportional to 2,646.78, 3,652.74 and 1,467.96 is: 2,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.78 : 3,652.74 = 1,467.96 : x
  2. Step 2: Convert to fraction form
    2,646.78/3,652.74 = 1,467.96/x
  3. Step 3: Cross multiply
    2,646.78x = 3,652.74 × 1,467.96
  4. Step 4: Simplify right side
    2,646.78x = 5,362,076.21
  5. Step 5: Solve for x
    x = 5,362,076.21/2,646.78
  6. Step 6: Final answer
    x = 2,025.89

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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.