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Finding the Fourth Proportional to 76,396.80, 114,594.56 and 29,682.56

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Solution

The fourth proportional to 76,396.80, 114,594.56 and 29,682.56 is: 44,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,396.80 : 114,594.56 = 29,682.56 : x
  2. Step 2: Convert to fraction form
    76,396.80/114,594.56 = 29,682.56/x
  3. Step 3: Cross multiply
    76,396.80x = 114,594.56 × 29,682.56
  4. Step 4: Simplify right side
    76,396.80x = 3,401,459,902.87
  5. Step 5: Solve for x
    x = 3,401,459,902.87/76,396.80
  6. Step 6: Final answer
    x = 44,523.59

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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.