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Finding the Fourth Proportional to 18,525.74, 27,790.88 and 6,042.42

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Solution

The fourth proportional to 18,525.74, 27,790.88 and 6,042.42 is: 9,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.74 : 27,790.88 = 6,042.42 : x
  2. Step 2: Convert to fraction form
    18,525.74/27,790.88 = 6,042.42/x
  3. Step 3: Cross multiply
    18,525.74x = 27,790.88 × 6,042.42
  4. Step 4: Simplify right side
    18,525.74x = 167,924,138.92
  5. Step 5: Solve for x
    x = 167,924,138.92/18,525.74
  6. Step 6: Final answer
    x = 9,064.37

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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.