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Finding the Fourth Proportional to 27,673.12, 41,475.12 and 13,826.08

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Solution

The fourth proportional to 27,673.12, 41,475.12 and 13,826.08 is: 20,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.12 : 41,475.12 = 13,826.08 : x
  2. Step 2: Convert to fraction form
    27,673.12/41,475.12 = 13,826.08/x
  3. Step 3: Cross multiply
    27,673.12x = 41,475.12 × 13,826.08
  4. Step 4: Simplify right side
    27,673.12x = 573,438,327.13
  5. Step 5: Solve for x
    x = 573,438,327.13/27,673.12
  6. Step 6: Final answer
    x = 20,721.85

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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.