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Finding the Fourth Proportional to 4,474.48, 6,712.08 and 1,876

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Solution

The fourth proportional to 4,474.48, 6,712.08 and 1,876 is: 2,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,474.48 : 6,712.08 = 1,876 : x
  2. Step 2: Convert to fraction form
    4,474.48/6,712.08 = 1,876/x
  3. Step 3: Cross multiply
    4,474.48x = 6,712.08 × 1,876
  4. Step 4: Simplify right side
    4,474.48x = 12,591,862.08
  5. Step 5: Solve for x
    x = 12,591,862.08/4,474.48
  6. Step 6: Final answer
    x = 2,814.15

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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.