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Finding the Fourth Proportional to 27,471.74, 41,210.82 and 8,745.21

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Solution

The fourth proportional to 27,471.74, 41,210.82 and 8,745.21 is: 13,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,471.74 : 41,210.82 = 8,745.21 : x
  2. Step 2: Convert to fraction form
    27,471.74/41,210.82 = 8,745.21/x
  3. Step 3: Cross multiply
    27,471.74x = 41,210.82 × 8,745.21
  4. Step 4: Simplify right side
    27,471.74x = 360,397,275.17
  5. Step 5: Solve for x
    x = 360,397,275.17/27,471.74
  6. Step 6: Final answer
    x = 13,118.84

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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.