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Finding the Fourth Proportional to 18,451.59, 27,674.37 and 5,300.97

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Solution

The fourth proportional to 18,451.59, 27,674.37 and 5,300.97 is: 7,950.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.59 : 27,674.37 = 5,300.97 : x
  2. Step 2: Convert to fraction form
    18,451.59/27,674.37 = 5,300.97/x
  3. Step 3: Cross multiply
    18,451.59x = 27,674.37 × 5,300.97
  4. Step 4: Simplify right side
    18,451.59x = 146,701,005.14
  5. Step 5: Solve for x
    x = 146,701,005.14/18,451.59
  6. Step 6: Final answer
    x = 7,950.59

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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.