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Finding the Fourth Proportional to 30,487.59, 45,738.41 and 16,447.32

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Solution

The fourth proportional to 30,487.59, 45,738.41 and 16,447.32 is: 24,674.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,487.59 : 45,738.41 = 16,447.32 : x
  2. Step 2: Convert to fraction form
    30,487.59/45,738.41 = 16,447.32/x
  3. Step 3: Cross multiply
    30,487.59x = 45,738.41 × 16,447.32
  4. Step 4: Simplify right side
    30,487.59x = 752,274,183.32
  5. Step 5: Solve for x
    x = 752,274,183.32/30,487.59
  6. Step 6: Final answer
    x = 24,674.77

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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.