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Finding the Fourth Proportional to 27,301.15, 40,951.70 and 7,579.70

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Solution

The fourth proportional to 27,301.15, 40,951.70 and 7,579.70 is: 11,369.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,301.15 : 40,951.70 = 7,579.70 : x
  2. Step 2: Convert to fraction form
    27,301.15/40,951.70 = 7,579.70/x
  3. Step 3: Cross multiply
    27,301.15x = 40,951.70 × 7,579.70
  4. Step 4: Simplify right side
    27,301.15x = 310,401,600.49
  5. Step 5: Solve for x
    x = 310,401,600.49/27,301.15
  6. Step 6: Final answer
    x = 11,369.54

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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.