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Finding the Fourth Proportional to 18,609.33, 27,908.04 and 6,126.47

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Solution

The fourth proportional to 18,609.33, 27,908.04 and 6,126.47 is: 9,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.33 : 27,908.04 = 6,126.47 : x
  2. Step 2: Convert to fraction form
    18,609.33/27,908.04 = 6,126.47/x
  3. Step 3: Cross multiply
    18,609.33x = 27,908.04 × 6,126.47
  4. Step 4: Simplify right side
    18,609.33x = 170,977,630.28
  5. Step 5: Solve for x
    x = 170,977,630.28/18,609.33
  6. Step 6: Final answer
    x = 9,187.74

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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.