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Finding the Fourth Proportional to 18,241.68, 27,363.96 and 5,762.67

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Solution

The fourth proportional to 18,241.68, 27,363.96 and 5,762.67 is: 8,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.68 : 27,363.96 = 5,762.67 : x
  2. Step 2: Convert to fraction form
    18,241.68/27,363.96 = 5,762.67/x
  3. Step 3: Cross multiply
    18,241.68x = 27,363.96 × 5,762.67
  4. Step 4: Simplify right side
    18,241.68x = 157,689,471.37
  5. Step 5: Solve for x
    x = 157,689,471.37/18,241.68
  6. Step 6: Final answer
    x = 8,644.46

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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.