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Finding the Fourth Proportional to 55,327.62, 82,991.01 and 15,884.67

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Solution

The fourth proportional to 55,327.62, 82,991.01 and 15,884.67 is: 23,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.62 : 82,991.01 = 15,884.67 : x
  2. Step 2: Convert to fraction form
    55,327.62/82,991.01 = 15,884.67/x
  3. Step 3: Cross multiply
    55,327.62x = 82,991.01 × 15,884.67
  4. Step 4: Simplify right side
    55,327.62x = 1,318,284,806.82
  5. Step 5: Solve for x
    x = 1,318,284,806.82/55,327.62
  6. Step 6: Final answer
    x = 23,826.88

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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.