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Finding the Fourth Proportional to 27,321.84, 40,993.09 and 10,693.76

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Solution

The fourth proportional to 27,321.84, 40,993.09 and 10,693.76 is: 16,044.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.84 : 40,993.09 = 10,693.76 : x
  2. Step 2: Convert to fraction form
    27,321.84/40,993.09 = 10,693.76/x
  3. Step 3: Cross multiply
    27,321.84x = 40,993.09 × 10,693.76
  4. Step 4: Simplify right side
    27,321.84x = 438,370,034.42
  5. Step 5: Solve for x
    x = 438,370,034.42/27,321.84
  6. Step 6: Final answer
    x = 16,044.67

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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.