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Finding the Fourth Proportional to 47,137.94, 65,051.51 and 25,917.21

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Solution

The fourth proportional to 47,137.94, 65,051.51 and 25,917.21 is: 35,766.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,137.94 : 65,051.51 = 25,917.21 : x
  2. Step 2: Convert to fraction form
    47,137.94/65,051.51 = 25,917.21/x
  3. Step 3: Cross multiply
    47,137.94x = 65,051.51 × 25,917.21
  4. Step 4: Simplify right side
    47,137.94x = 1,685,953,645.49
  5. Step 5: Solve for x
    x = 1,685,953,645.49/47,137.94
  6. Step 6: Final answer
    x = 35,766.38

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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.