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Finding the Fourth Proportional to 5,125.92, 7,073.84 and 3,000.96

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Solution

The fourth proportional to 5,125.92, 7,073.84 and 3,000.96 is: 4,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.92 : 7,073.84 = 3,000.96 : x
  2. Step 2: Convert to fraction form
    5,125.92/7,073.84 = 3,000.96/x
  3. Step 3: Cross multiply
    5,125.92x = 7,073.84 × 3,000.96
  4. Step 4: Simplify right side
    5,125.92x = 21,228,310.89
  5. Step 5: Solve for x
    x = 21,228,310.89/5,125.92
  6. Step 6: Final answer
    x = 4,141.37

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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.