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Finding the Fourth Proportional to 33,887.24, 50,826.52 and 8,929.21

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Solution

The fourth proportional to 33,887.24, 50,826.52 and 8,929.21 is: 13,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.24 : 50,826.52 = 8,929.21 : x
  2. Step 2: Convert to fraction form
    33,887.24/50,826.52 = 8,929.21/x
  3. Step 3: Cross multiply
    33,887.24x = 50,826.52 × 8,929.21
  4. Step 4: Simplify right side
    33,887.24x = 453,840,670.65
  5. Step 5: Solve for x
    x = 453,840,670.65/33,887.24
  6. Step 6: Final answer
    x = 13,392.67

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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.