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Finding the Fourth Proportional to 47,997.48, 72,021.48 and 34,047.48

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Solution

The fourth proportional to 47,997.48, 72,021.48 and 34,047.48 is: 51,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,997.48 : 72,021.48 = 34,047.48 : x
  2. Step 2: Convert to fraction form
    47,997.48/72,021.48 = 34,047.48/x
  3. Step 3: Cross multiply
    47,997.48x = 72,021.48 × 34,047.48
  4. Step 4: Simplify right side
    47,997.48x = 2,452,149,899.87
  5. Step 5: Solve for x
    x = 2,452,149,899.87/47,997.48
  6. Step 6: Final answer
    x = 51,089.14

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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.