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Finding the Fourth Proportional to 47,274.98, 65,239.46 and 25,764.72

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Solution

The fourth proportional to 47,274.98, 65,239.46 and 25,764.72 is: 35,555.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.98 : 65,239.46 = 25,764.72 : x
  2. Step 2: Convert to fraction form
    47,274.98/65,239.46 = 25,764.72/x
  3. Step 3: Cross multiply
    47,274.98x = 65,239.46 × 25,764.72
  4. Step 4: Simplify right side
    47,274.98x = 1,680,876,291.03
  5. Step 5: Solve for x
    x = 1,680,876,291.03/47,274.98
  6. Step 6: Final answer
    x = 35,555.31

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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.