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Finding the Fourth Proportional to 27,539.64, 41,305.90 and 8,818.12

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Solution

The fourth proportional to 27,539.64, 41,305.90 and 8,818.12 is: 13,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,539.64 : 41,305.90 = 8,818.12 : x
  2. Step 2: Convert to fraction form
    27,539.64/41,305.90 = 8,818.12/x
  3. Step 3: Cross multiply
    27,539.64x = 41,305.90 × 8,818.12
  4. Step 4: Simplify right side
    27,539.64x = 364,240,382.91
  5. Step 5: Solve for x
    x = 364,240,382.91/27,539.64
  6. Step 6: Final answer
    x = 13,226.04

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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.