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Finding the Fourth Proportional to 18,379.66, 27,574.11 and 5,900.80

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Solution

The fourth proportional to 18,379.66, 27,574.11 and 5,900.80 is: 8,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.66 : 27,574.11 = 5,900.80 : x
  2. Step 2: Convert to fraction form
    18,379.66/27,574.11 = 5,900.80/x
  3. Step 3: Cross multiply
    18,379.66x = 27,574.11 × 5,900.80
  4. Step 4: Simplify right side
    18,379.66x = 162,709,308.29
  5. Step 5: Solve for x
    x = 162,709,308.29/18,379.66
  6. Step 6: Final answer
    x = 8,852.68

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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.