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Finding the Fourth Proportional to 17,954.59, 26,933.76 and 6,861.20

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Solution

The fourth proportional to 17,954.59, 26,933.76 and 6,861.20 is: 10,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.59 : 26,933.76 = 6,861.20 : x
  2. Step 2: Convert to fraction form
    17,954.59/26,933.76 = 6,861.20/x
  3. Step 3: Cross multiply
    17,954.59x = 26,933.76 × 6,861.20
  4. Step 4: Simplify right side
    17,954.59x = 184,797,907.18
  5. Step 5: Solve for x
    x = 184,797,907.18/17,954.59
  6. Step 6: Final answer
    x = 10,292.52

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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.