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Finding the Fourth Proportional to 1,873.48, 2,586.12 and 1,676.64

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Solution

The fourth proportional to 1,873.48, 2,586.12 and 1,676.64 is: 2,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.48 : 2,586.12 = 1,676.64 : x
  2. Step 2: Convert to fraction form
    1,873.48/2,586.12 = 1,676.64/x
  3. Step 3: Cross multiply
    1,873.48x = 2,586.12 × 1,676.64
  4. Step 4: Simplify right side
    1,873.48x = 4,335,992.24
  5. Step 5: Solve for x
    x = 4,335,992.24/1,873.48
  6. Step 6: Final answer
    x = 2,314.41

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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.