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Finding the Fourth Proportional to 51,805.44, 71,493.12 and 29,450.88

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Solution

The fourth proportional to 51,805.44, 71,493.12 and 29,450.88 is: 40,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.44 : 71,493.12 = 29,450.88 : x
  2. Step 2: Convert to fraction form
    51,805.44/71,493.12 = 29,450.88/x
  3. Step 3: Cross multiply
    51,805.44x = 71,493.12 × 29,450.88
  4. Step 4: Simplify right side
    51,805.44x = 2,105,535,297.95
  5. Step 5: Solve for x
    x = 2,105,535,297.95/51,805.44
  6. Step 6: Final answer
    x = 40,643.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.