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Finding the Fourth Proportional to 27,299.87, 40,950.04 and 7,579.97

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Solution

The fourth proportional to 27,299.87, 40,950.04 and 7,579.97 is: 11,370.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,299.87 : 40,950.04 = 7,579.97 : x
  2. Step 2: Convert to fraction form
    27,299.87/40,950.04 = 7,579.97/x
  3. Step 3: Cross multiply
    27,299.87x = 40,950.04 × 7,579.97
  4. Step 4: Simplify right side
    27,299.87x = 310,399,953.37
  5. Step 5: Solve for x
    x = 310,399,953.37/27,299.87
  6. Step 6: Final answer
    x = 11,370.01

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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.