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Finding the Fourth Proportional to 43,402, 59,887.56 and 27,266.80

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Solution

The fourth proportional to 43,402, 59,887.56 and 27,266.80 is: 37,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,402 : 59,887.56 = 27,266.80 : x
  2. Step 2: Convert to fraction form
    43,402/59,887.56 = 27,266.80/x
  3. Step 3: Cross multiply
    43,402x = 59,887.56 × 27,266.80
  4. Step 4: Simplify right side
    43,402x = 1,632,942,121.01
  5. Step 5: Solve for x
    x = 1,632,942,121.01/43,402
  6. Step 6: Final answer
    x = 37,623.66

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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.