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Finding the Fourth Proportional to 3,885.86, 5,835.27 and 2,553.86

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Solution

The fourth proportional to 3,885.86, 5,835.27 and 2,553.86 is: 3,835.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.86 : 5,835.27 = 2,553.86 : x
  2. Step 2: Convert to fraction form
    3,885.86/5,835.27 = 2,553.86/x
  3. Step 3: Cross multiply
    3,885.86x = 5,835.27 × 2,553.86
  4. Step 4: Simplify right side
    3,885.86x = 14,902,462.64
  5. Step 5: Solve for x
    x = 14,902,462.64/3,885.86
  6. Step 6: Final answer
    x = 3,835.05

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1.5x scale

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.