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Finding the Fourth Proportional to 58,481.28, 80,701.08 and 32,986.92

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Solution

The fourth proportional to 58,481.28, 80,701.08 and 32,986.92 is: 45,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,481.28 : 80,701.08 = 32,986.92 : x
  2. Step 2: Convert to fraction form
    58,481.28/80,701.08 = 32,986.92/x
  3. Step 3: Cross multiply
    58,481.28x = 80,701.08 × 32,986.92
  4. Step 4: Simplify right side
    58,481.28x = 2,662,080,069.87
  5. Step 5: Solve for x
    x = 2,662,080,069.87/58,481.28
  6. Step 6: Final answer
    x = 45,520.21

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1.5x scale

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.