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Finding the Fourth Proportional to 9,245.73, 12,759.09 and 5,053.98

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Solution

The fourth proportional to 9,245.73, 12,759.09 and 5,053.98 is: 6,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.73 : 12,759.09 = 5,053.98 : x
  2. Step 2: Convert to fraction form
    9,245.73/12,759.09 = 5,053.98/x
  3. Step 3: Cross multiply
    9,245.73x = 12,759.09 × 5,053.98
  4. Step 4: Simplify right side
    9,245.73x = 64,484,185.68
  5. Step 5: Solve for x
    x = 64,484,185.68/9,245.73
  6. Step 6: Final answer
    x = 6,974.48

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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.