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Finding the Fourth Proportional to 58,559.58, 80,811.66 and 31,701.39

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Solution

The fourth proportional to 58,559.58, 80,811.66 and 31,701.39 is: 43,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.58 : 80,811.66 = 31,701.39 : x
  2. Step 2: Convert to fraction form
    58,559.58/80,811.66 = 31,701.39/x
  3. Step 3: Cross multiply
    58,559.58x = 80,811.66 × 31,701.39
  4. Step 4: Simplify right side
    58,559.58x = 2,561,841,950.21
  5. Step 5: Solve for x
    x = 2,561,841,950.21/58,559.58
  6. Step 6: Final answer
    x = 43,747.61

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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.