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Finding the Fourth Proportional to 43,503.75, 65,255.63 and 10,671.75

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Solution

The fourth proportional to 43,503.75, 65,255.63 and 10,671.75 is: 16,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,503.75 : 65,255.63 = 10,671.75 : x
  2. Step 2: Convert to fraction form
    43,503.75/65,255.63 = 10,671.75/x
  3. Step 3: Cross multiply
    43,503.75x = 65,255.63 × 10,671.75
  4. Step 4: Simplify right side
    43,503.75x = 696,391,716.09
  5. Step 5: Solve for x
    x = 696,391,716.09/43,503.75
  6. Step 6: Final answer
    x = 16,007.63

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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.