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Finding the Fourth Proportional to 27,475.09, 41,211.50 and 12,679.09

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Solution

The fourth proportional to 27,475.09, 41,211.50 and 12,679.09 is: 19,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,475.09 : 41,211.50 = 12,679.09 : x
  2. Step 2: Convert to fraction form
    27,475.09/41,211.50 = 12,679.09/x
  3. Step 3: Cross multiply
    27,475.09x = 41,211.50 × 12,679.09
  4. Step 4: Simplify right side
    27,475.09x = 522,524,254.14
  5. Step 5: Solve for x
    x = 522,524,254.14/27,475.09
  6. Step 6: Final answer
    x = 19,018.11

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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.