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Finding the Fourth Proportional to 47,608.58, 71,370.95 and 18,047.22

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Solution

The fourth proportional to 47,608.58, 71,370.95 and 18,047.22 is: 27,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,608.58 : 71,370.95 = 18,047.22 : x
  2. Step 2: Convert to fraction form
    47,608.58/71,370.95 = 18,047.22/x
  3. Step 3: Cross multiply
    47,608.58x = 71,370.95 × 18,047.22
  4. Step 4: Simplify right side
    47,608.58x = 1,288,047,146.02
  5. Step 5: Solve for x
    x = 1,288,047,146.02/47,608.58
  6. Step 6: Final answer
    x = 27,054.94

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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.