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Finding the Fourth Proportional to 29,972.56, 44,958.82 and 8,912.51

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Solution

The fourth proportional to 29,972.56, 44,958.82 and 8,912.51 is: 13,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,972.56 : 44,958.82 = 8,912.51 : x
  2. Step 2: Convert to fraction form
    29,972.56/44,958.82 = 8,912.51/x
  3. Step 3: Cross multiply
    29,972.56x = 44,958.82 × 8,912.51
  4. Step 4: Simplify right side
    29,972.56x = 400,695,932.84
  5. Step 5: Solve for x
    x = 400,695,932.84/29,972.56
  6. Step 6: Final answer
    x = 13,368.76

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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.