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Finding the Fourth Proportional to 18,536.17, 27,804.04 and 7,442.67

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Solution

The fourth proportional to 18,536.17, 27,804.04 and 7,442.67 is: 11,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536.17 : 27,804.04 = 7,442.67 : x
  2. Step 2: Convert to fraction form
    18,536.17/27,804.04 = 7,442.67/x
  3. Step 3: Cross multiply
    18,536.17x = 27,804.04 × 7,442.67
  4. Step 4: Simplify right side
    18,536.17x = 206,936,199.42
  5. Step 5: Solve for x
    x = 206,936,199.42/18,536.17
  6. Step 6: Final answer
    x = 11,163.91

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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.