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Finding the Fourth Proportional to 27,693.99, 41,545.85 and 11,908.71

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Solution

The fourth proportional to 27,693.99, 41,545.85 and 11,908.71 is: 17,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,693.99 : 41,545.85 = 11,908.71 : x
  2. Step 2: Convert to fraction form
    27,693.99/41,545.85 = 11,908.71/x
  3. Step 3: Cross multiply
    27,693.99x = 41,545.85 × 11,908.71
  4. Step 4: Simplify right side
    27,693.99x = 494,757,419.81
  5. Step 5: Solve for x
    x = 494,757,419.81/27,693.99
  6. Step 6: Final answer
    x = 17,865.15

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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.