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Finding the Fourth Proportional to 47,771.52, 71,645.76 and 14,939.52

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Solution

The fourth proportional to 47,771.52, 71,645.76 and 14,939.52 is: 22,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.52 : 71,645.76 = 14,939.52 : x
  2. Step 2: Convert to fraction form
    47,771.52/71,645.76 = 14,939.52/x
  3. Step 3: Cross multiply
    47,771.52x = 71,645.76 × 14,939.52
  4. Step 4: Simplify right side
    47,771.52x = 1,070,353,264.44
  5. Step 5: Solve for x
    x = 1,070,353,264.44/47,771.52
  6. Step 6: Final answer
    x = 22,405.68

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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.