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Finding the Fourth Proportional to 27,453, 37,872.45 and 16,118.85

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Solution

The fourth proportional to 27,453, 37,872.45 and 16,118.85 is: 22,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,453 : 37,872.45 = 16,118.85 : x
  2. Step 2: Convert to fraction form
    27,453/37,872.45 = 16,118.85/x
  3. Step 3: Cross multiply
    27,453x = 37,872.45 × 16,118.85
  4. Step 4: Simplify right side
    27,453x = 610,460,340.68
  5. Step 5: Solve for x
    x = 610,460,340.68/27,453
  6. Step 6: Final answer
    x = 22,236.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.