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Finding the Fourth Proportional to 26,993.90, 40,490.84 and 14,496.72

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Solution

The fourth proportional to 26,993.90, 40,490.84 and 14,496.72 is: 21,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.90 : 40,490.84 = 14,496.72 : x
  2. Step 2: Convert to fraction form
    26,993.90/40,490.84 = 14,496.72/x
  3. Step 3: Cross multiply
    26,993.90x = 40,490.84 × 14,496.72
  4. Step 4: Simplify right side
    26,993.90x = 586,984,297.56
  5. Step 5: Solve for x
    x = 586,984,297.56/26,993.90
  6. Step 6: Final answer
    x = 21,745.08

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Similar ratio
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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.