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Finding the Fourth Proportional to 58,481.01, 80,708.58 and 32,986.08

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Solution

The fourth proportional to 58,481.01, 80,708.58 and 32,986.08 is: 45,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,481.01 : 80,708.58 = 32,986.08 : x
  2. Step 2: Convert to fraction form
    58,481.01/80,708.58 = 32,986.08/x
  3. Step 3: Cross multiply
    58,481.01x = 80,708.58 × 32,986.08
  4. Step 4: Simplify right side
    58,481.01x = 2,662,259,676.57
  5. Step 5: Solve for x
    x = 2,662,259,676.57/58,481.01
  6. Step 6: Final answer
    x = 45,523.49

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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.