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Finding the Fourth Proportional to 3,624.54, 5,000.31 and 2,835.42

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Solution

The fourth proportional to 3,624.54, 5,000.31 and 2,835.42 is: 3,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.54 : 5,000.31 = 2,835.42 : x
  2. Step 2: Convert to fraction form
    3,624.54/5,000.31 = 2,835.42/x
  3. Step 3: Cross multiply
    3,624.54x = 5,000.31 × 2,835.42
  4. Step 4: Simplify right side
    3,624.54x = 14,177,978.98
  5. Step 5: Solve for x
    x = 14,177,978.98/3,624.54
  6. Step 6: Final answer
    x = 3,911.66

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1.5x scale

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.