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Finding the Fourth Proportional to 27,555.92, 41,334.12 and 7,835.12

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Solution

The fourth proportional to 27,555.92, 41,334.12 and 7,835.12 is: 11,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.92 : 41,334.12 = 7,835.12 : x
  2. Step 2: Convert to fraction form
    27,555.92/41,334.12 = 7,835.12/x
  3. Step 3: Cross multiply
    27,555.92x = 41,334.12 × 7,835.12
  4. Step 4: Simplify right side
    27,555.92x = 323,857,790.29
  5. Step 5: Solve for x
    x = 323,857,790.29/27,555.92
  6. Step 6: Final answer
    x = 11,752.75

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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.