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Finding the Fourth Proportional to 18,551.98, 27,826.89 and 6,080.14

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Solution

The fourth proportional to 18,551.98, 27,826.89 and 6,080.14 is: 9,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.98 : 27,826.89 = 6,080.14 : x
  2. Step 2: Convert to fraction form
    18,551.98/27,826.89 = 6,080.14/x
  3. Step 3: Cross multiply
    18,551.98x = 27,826.89 × 6,080.14
  4. Step 4: Simplify right side
    18,551.98x = 169,191,386.96
  5. Step 5: Solve for x
    x = 169,191,386.96/18,551.98
  6. Step 6: Final answer
    x = 9,119.86

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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.