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Finding the Fourth Proportional to 18,116.56, 27,171.06 and 9,350.56

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Solution

The fourth proportional to 18,116.56, 27,171.06 and 9,350.56 is: 14,023.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.56 : 27,171.06 = 9,350.56 : x
  2. Step 2: Convert to fraction form
    18,116.56/27,171.06 = 9,350.56/x
  3. Step 3: Cross multiply
    18,116.56x = 27,171.06 × 9,350.56
  4. Step 4: Simplify right side
    18,116.56x = 254,064,626.79
  5. Step 5: Solve for x
    x = 254,064,626.79/18,116.56
  6. Step 6: Final answer
    x = 14,023.89

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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.