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Finding the Fourth Proportional to 18,551.48, 27,826.14 and 6,079.64

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Solution

The fourth proportional to 18,551.48, 27,826.14 and 6,079.64 is: 9,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.48 : 27,826.14 = 6,079.64 : x
  2. Step 2: Convert to fraction form
    18,551.48/27,826.14 = 6,079.64/x
  3. Step 3: Cross multiply
    18,551.48x = 27,826.14 × 6,079.64
  4. Step 4: Simplify right side
    18,551.48x = 169,172,913.79
  5. Step 5: Solve for x
    x = 169,172,913.79/18,551.48
  6. Step 6: Final answer
    x = 9,119.11

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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.