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Finding the Fourth Proportional to 18,149.51, 27,218.49 and 5,834.63

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Solution

The fourth proportional to 18,149.51, 27,218.49 and 5,834.63 is: 8,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.51 : 27,218.49 = 5,834.63 : x
  2. Step 2: Convert to fraction form
    18,149.51/27,218.49 = 5,834.63/x
  3. Step 3: Cross multiply
    18,149.51x = 27,218.49 × 5,834.63
  4. Step 4: Simplify right side
    18,149.51x = 158,809,818.31
  5. Step 5: Solve for x
    x = 158,809,818.31/18,149.51
  6. Step 6: Final answer
    x = 8,750.09

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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.