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Finding the Fourth Proportional to 58,462.87, 80,680.58 and 33,310.75

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Solution

The fourth proportional to 58,462.87, 80,680.58 and 33,310.75 is: 45,969.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,462.87 : 80,680.58 = 33,310.75 : x
  2. Step 2: Convert to fraction form
    58,462.87/80,680.58 = 33,310.75/x
  3. Step 3: Cross multiply
    58,462.87x = 80,680.58 × 33,310.75
  4. Step 4: Simplify right side
    58,462.87x = 2,687,530,630.24
  5. Step 5: Solve for x
    x = 2,687,530,630.24/58,462.87
  6. Step 6: Final answer
    x = 45,969.87

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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.