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Finding the Fourth Proportional to 58,559.26, 80,811.21 and 31,701.07

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Solution

The fourth proportional to 58,559.26, 80,811.21 and 31,701.07 is: 43,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.26 : 80,811.21 = 31,701.07 : x
  2. Step 2: Convert to fraction form
    58,559.26/80,811.21 = 31,701.07/x
  3. Step 3: Cross multiply
    58,559.26x = 80,811.21 × 31,701.07
  4. Step 4: Simplify right side
    58,559.26x = 2,561,801,824.99
  5. Step 5: Solve for x
    x = 2,561,801,824.99/58,559.26
  6. Step 6: Final answer
    x = 43,747.17

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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.