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Finding the Fourth Proportional to 18,406.08, 27,589.68 and 9,033.06

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Solution

The fourth proportional to 18,406.08, 27,589.68 and 9,033.06 is: 13,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.08 : 27,589.68 = 9,033.06 : x
  2. Step 2: Convert to fraction form
    18,406.08/27,589.68 = 9,033.06/x
  3. Step 3: Cross multiply
    18,406.08x = 27,589.68 × 9,033.06
  4. Step 4: Simplify right side
    18,406.08x = 249,219,234.82
  5. Step 5: Solve for x
    x = 249,219,234.82/18,406.08
  6. Step 6: Final answer
    x = 13,540.05

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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.