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Finding the Fourth Proportional to 36,591.09, 54,886.78 and 8,889.09

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Solution

The fourth proportional to 36,591.09, 54,886.78 and 8,889.09 is: 13,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,591.09 : 54,886.78 = 8,889.09 : x
  2. Step 2: Convert to fraction form
    36,591.09/54,886.78 = 8,889.09/x
  3. Step 3: Cross multiply
    36,591.09x = 54,886.78 × 8,889.09
  4. Step 4: Simplify right side
    36,591.09x = 487,893,694.17
  5. Step 5: Solve for x
    x = 487,893,694.17/36,591.09
  6. Step 6: Final answer
    x = 13,333.67

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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.