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Finding the Fourth Proportional to 18,592.87, 27,889.12 and 4,552.96

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Solution

The fourth proportional to 18,592.87, 27,889.12 and 4,552.96 is: 6,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.87 : 27,889.12 = 4,552.96 : x
  2. Step 2: Convert to fraction form
    18,592.87/27,889.12 = 4,552.96/x
  3. Step 3: Cross multiply
    18,592.87x = 27,889.12 × 4,552.96
  4. Step 4: Simplify right side
    18,592.87x = 126,978,047.80
  5. Step 5: Solve for x
    x = 126,978,047.80/18,592.87
  6. Step 6: Final answer
    x = 6,829.39

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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.