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Finding the Fourth Proportional to 27,324.36, 40,981.92 and 7,604.88

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Solution

The fourth proportional to 27,324.36, 40,981.92 and 7,604.88 is: 11,406.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,324.36 : 40,981.92 = 7,604.88 : x
  2. Step 2: Convert to fraction form
    27,324.36/40,981.92 = 7,604.88/x
  3. Step 3: Cross multiply
    27,324.36x = 40,981.92 × 7,604.88
  4. Step 4: Simplify right side
    27,324.36x = 311,662,583.77
  5. Step 5: Solve for x
    x = 311,662,583.77/27,324.36
  6. Step 6: Final answer
    x = 11,406.03

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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.