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Finding the Fourth Proportional to 30,406.91, 45,591.73 and 10,687.73

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Solution

The fourth proportional to 30,406.91, 45,591.73 and 10,687.73 is: 16,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,406.91 : 45,591.73 = 10,687.73 : x
  2. Step 2: Convert to fraction form
    30,406.91/45,591.73 = 10,687.73/x
  3. Step 3: Cross multiply
    30,406.91x = 45,591.73 × 10,687.73
  4. Step 4: Simplify right side
    30,406.91x = 487,271,845.79
  5. Step 5: Solve for x
    x = 487,271,845.79/30,406.91
  6. Step 6: Final answer
    x = 16,025.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.