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Finding the Fourth Proportional to 58,481.28, 80,701.11 and 32,986.89

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Solution

The fourth proportional to 58,481.28, 80,701.11 and 32,986.89 is: 45,520.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,481.28 : 80,701.11 = 32,986.89 : x
  2. Step 2: Convert to fraction form
    58,481.28/80,701.11 = 32,986.89/x
  3. Step 3: Cross multiply
    58,481.28x = 80,701.11 × 32,986.89
  4. Step 4: Simplify right side
    58,481.28x = 2,662,078,638.45
  5. Step 5: Solve for x
    x = 2,662,078,638.45/58,481.28
  6. Step 6: Final answer
    x = 45,520.18

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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.