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Finding the Fourth Proportional to 29,997.85, 44,996.77 and 7,811.16

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Solution

The fourth proportional to 29,997.85, 44,996.77 and 7,811.16 is: 11,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,997.85 : 44,996.77 = 7,811.16 : x
  2. Step 2: Convert to fraction form
    29,997.85/44,996.77 = 7,811.16/x
  3. Step 3: Cross multiply
    29,997.85x = 44,996.77 × 7,811.16
  4. Step 4: Simplify right side
    29,997.85x = 351,476,950.43
  5. Step 5: Solve for x
    x = 351,476,950.43/29,997.85
  6. Step 6: Final answer
    x = 11,716.74

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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.