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Finding the Fourth Proportional to 18,051.93, 27,072.90 and 8,698.05

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Solution

The fourth proportional to 18,051.93, 27,072.90 and 8,698.05 is: 13,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.93 : 27,072.90 = 8,698.05 : x
  2. Step 2: Convert to fraction form
    18,051.93/27,072.90 = 8,698.05/x
  3. Step 3: Cross multiply
    18,051.93x = 27,072.90 × 8,698.05
  4. Step 4: Simplify right side
    18,051.93x = 235,481,437.85
  5. Step 5: Solve for x
    x = 235,481,437.85/18,051.93
  6. Step 6: Final answer
    x = 13,044.67

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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.