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Finding the Fourth Proportional to 27,993.69, 41,990.27 and 11,349.76

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Solution

The fourth proportional to 27,993.69, 41,990.27 and 11,349.76 is: 17,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.69 : 41,990.27 = 11,349.76 : x
  2. Step 2: Convert to fraction form
    27,993.69/41,990.27 = 11,349.76/x
  3. Step 3: Cross multiply
    27,993.69x = 41,990.27 × 11,349.76
  4. Step 4: Simplify right side
    27,993.69x = 476,579,430.09
  5. Step 5: Solve for x
    x = 476,579,430.09/27,993.69
  6. Step 6: Final answer
    x = 17,024.53

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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.