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Finding the Fourth Proportional to 27,044.70, 40,530.60 and 18,134.70

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Solution

The fourth proportional to 27,044.70, 40,530.60 and 18,134.70 is: 27,177.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,044.70 : 40,530.60 = 18,134.70 : x
  2. Step 2: Convert to fraction form
    27,044.70/40,530.60 = 18,134.70/x
  3. Step 3: Cross multiply
    27,044.70x = 40,530.60 × 18,134.70
  4. Step 4: Simplify right side
    27,044.70x = 735,010,271.82
  5. Step 5: Solve for x
    x = 735,010,271.82/27,044.70
  6. Step 6: Final answer
    x = 27,177.61

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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.