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Finding the Fourth Proportional to 18,495.27, 27,742.91 and 17,166.67

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Solution

The fourth proportional to 18,495.27, 27,742.91 and 17,166.67 is: 25,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.27 : 27,742.91 = 17,166.67 : x
  2. Step 2: Convert to fraction form
    18,495.27/27,742.91 = 17,166.67/x
  3. Step 3: Cross multiply
    18,495.27x = 27,742.91 × 17,166.67
  4. Step 4: Simplify right side
    18,495.27x = 476,253,380.81
  5. Step 5: Solve for x
    x = 476,253,380.81/18,495.27
  6. Step 6: Final answer
    x = 25,750.01

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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.