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Finding the Fourth Proportional to 47,879.50, 71,827.03 and 14,148.94

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Solution

The fourth proportional to 47,879.50, 71,827.03 and 14,148.94 is: 21,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,879.50 : 71,827.03 = 14,148.94 : x
  2. Step 2: Convert to fraction form
    47,879.50/71,827.03 = 14,148.94/x
  3. Step 3: Cross multiply
    47,879.50x = 71,827.03 × 14,148.94
  4. Step 4: Simplify right side
    47,879.50x = 1,016,276,337.85
  5. Step 5: Solve for x
    x = 1,016,276,337.85/47,879.50
  6. Step 6: Final answer
    x = 21,225.71

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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.