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Finding the Fourth Proportional to 47,762.50, 65,891.79 and 29,826.37

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Solution

The fourth proportional to 47,762.50, 65,891.79 and 29,826.37 is: 41,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,762.50 : 65,891.79 = 29,826.37 : x
  2. Step 2: Convert to fraction form
    47,762.50/65,891.79 = 29,826.37/x
  3. Step 3: Cross multiply
    47,762.50x = 65,891.79 × 29,826.37
  4. Step 4: Simplify right side
    47,762.50x = 1,965,312,908.50
  5. Step 5: Solve for x
    x = 1,965,312,908.50/47,762.50
  6. Step 6: Final answer
    x = 41,147.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.