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Finding the Fourth Proportional to 27,993.43, 41,989.89 and 11,349.51

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Solution

The fourth proportional to 27,993.43, 41,989.89 and 11,349.51 is: 17,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,993.43 : 41,989.89 = 11,349.51 : x
  2. Step 2: Convert to fraction form
    27,993.43/41,989.89 = 11,349.51/x
  3. Step 3: Cross multiply
    27,993.43x = 41,989.89 × 11,349.51
  4. Step 4: Simplify right side
    27,993.43x = 476,564,543.11
  5. Step 5: Solve for x
    x = 476,564,543.11/27,993.43
  6. Step 6: Final answer
    x = 17,024.16

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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.