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Finding the Fourth Proportional to 18,500.74, 27,751.04 and 6,654.49

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Solution

The fourth proportional to 18,500.74, 27,751.04 and 6,654.49 is: 9,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.74 : 27,751.04 = 6,654.49 : x
  2. Step 2: Convert to fraction form
    18,500.74/27,751.04 = 6,654.49/x
  3. Step 3: Cross multiply
    18,500.74x = 27,751.04 × 6,654.49
  4. Step 4: Simplify right side
    18,500.74x = 184,668,992.51
  5. Step 5: Solve for x
    x = 184,668,992.51/18,500.74
  6. Step 6: Final answer
    x = 9,981.71

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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.