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Finding the Fourth Proportional to 43,684.84, 65,518.62 and 12,523.24

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Solution

The fourth proportional to 43,684.84, 65,518.62 and 12,523.24 is: 18,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,684.84 : 65,518.62 = 12,523.24 : x
  2. Step 2: Convert to fraction form
    43,684.84/65,518.62 = 12,523.24/x
  3. Step 3: Cross multiply
    43,684.84x = 65,518.62 × 12,523.24
  4. Step 4: Simplify right side
    43,684.84x = 820,505,402.73
  5. Step 5: Solve for x
    x = 820,505,402.73/43,684.84
  6. Step 6: Final answer
    x = 18,782.38

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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.