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Finding the Fourth Proportional to 29,998.17, 44,996.65 and 7,811.06

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Solution

The fourth proportional to 29,998.17, 44,996.65 and 7,811.06 is: 11,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,998.17 : 44,996.65 = 7,811.06 : x
  2. Step 2: Convert to fraction form
    29,998.17/44,996.65 = 7,811.06/x
  3. Step 3: Cross multiply
    29,998.17x = 44,996.65 × 7,811.06
  4. Step 4: Simplify right side
    29,998.17x = 351,471,288.44
  5. Step 5: Solve for x
    x = 351,471,288.44/29,998.17
  6. Step 6: Final answer
    x = 11,716.42

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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.