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Finding the Fourth Proportional to 43,697.63, 65,546.45 and 10,865.63

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Solution

The fourth proportional to 43,697.63, 65,546.45 and 10,865.63 is: 16,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,697.63 : 65,546.45 = 10,865.63 : x
  2. Step 2: Convert to fraction form
    43,697.63/65,546.45 = 10,865.63/x
  3. Step 3: Cross multiply
    43,697.63x = 65,546.45 × 10,865.63
  4. Step 4: Simplify right side
    43,697.63x = 712,203,091.45
  5. Step 5: Solve for x
    x = 712,203,091.45/43,697.63
  6. Step 6: Final answer
    x = 16,298.44

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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.