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Finding the Fourth Proportional to 43,604.75, 65,416.88 and 15,902.75

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Solution

The fourth proportional to 43,604.75, 65,416.88 and 15,902.75 is: 23,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604.75 : 65,416.88 = 15,902.75 : x
  2. Step 2: Convert to fraction form
    43,604.75/65,416.88 = 15,902.75/x
  3. Step 3: Cross multiply
    43,604.75x = 65,416.88 × 15,902.75
  4. Step 4: Simplify right side
    43,604.75x = 1,040,308,208.91
  5. Step 5: Solve for x
    x = 1,040,308,208.91/43,604.75
  6. Step 6: Final answer
    x = 23,857.68

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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.