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Finding the Fourth Proportional to 17,954.80, 26,933.60 and 5,475.92

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Solution

The fourth proportional to 17,954.80, 26,933.60 and 5,475.92 is: 8,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.80 : 26,933.60 = 5,475.92 : x
  2. Step 2: Convert to fraction form
    17,954.80/26,933.60 = 5,475.92/x
  3. Step 3: Cross multiply
    17,954.80x = 26,933.60 × 5,475.92
  4. Step 4: Simplify right side
    17,954.80x = 147,486,238.91
  5. Step 5: Solve for x
    x = 147,486,238.91/17,954.80
  6. Step 6: Final answer
    x = 8,214.31

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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.