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Finding the Fourth Proportional to 11,995.70, 17,993.73 and 4,600.58

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Solution

The fourth proportional to 11,995.70, 17,993.73 and 4,600.58 is: 6,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.70 : 17,993.73 = 4,600.58 : x
  2. Step 2: Convert to fraction form
    11,995.70/17,993.73 = 4,600.58/x
  3. Step 3: Cross multiply
    11,995.70x = 17,993.73 × 4,600.58
  4. Step 4: Simplify right side
    11,995.70x = 82,781,594.36
  5. Step 5: Solve for x
    x = 82,781,594.36/11,995.70
  6. Step 6: Final answer
    x = 6,900.94

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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.