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Finding the Fourth Proportional to 47,818.80, 71,695.80 and 25,333.20

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Solution

The fourth proportional to 47,818.80, 71,695.80 and 25,333.20 is: 37,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,818.80 : 71,695.80 = 25,333.20 : x
  2. Step 2: Convert to fraction form
    47,818.80/71,695.80 = 25,333.20/x
  3. Step 3: Cross multiply
    47,818.80x = 71,695.80 × 25,333.20
  4. Step 4: Simplify right side
    47,818.80x = 1,816,284,040.56
  5. Step 5: Solve for x
    x = 1,816,284,040.56/47,818.80
  6. Step 6: Final answer
    x = 37,982.64

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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.