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Finding the Fourth Proportional to 18,500.69, 27,751.55 and 6,021.46

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Solution

The fourth proportional to 18,500.69, 27,751.55 and 6,021.46 is: 9,032.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.69 : 27,751.55 = 6,021.46 : x
  2. Step 2: Convert to fraction form
    18,500.69/27,751.55 = 6,021.46/x
  3. Step 3: Cross multiply
    18,500.69x = 27,751.55 × 6,021.46
  4. Step 4: Simplify right side
    18,500.69x = 167,104,956.30
  5. Step 5: Solve for x
    x = 167,104,956.30/18,500.69
  6. Step 6: Final answer
    x = 9,032.36

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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.