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Finding the Fourth Proportional to 26,993.35, 40,497.80 and 8,276.15

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Solution

The fourth proportional to 26,993.35, 40,497.80 and 8,276.15 is: 12,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,993.35 : 40,497.80 = 8,276.15 : x
  2. Step 2: Convert to fraction form
    26,993.35/40,497.80 = 8,276.15/x
  3. Step 3: Cross multiply
    26,993.35x = 40,497.80 × 8,276.15
  4. Step 4: Simplify right side
    26,993.35x = 335,165,700.78
  5. Step 5: Solve for x
    x = 335,165,700.78/26,993.35
  6. Step 6: Final answer
    x = 12,416.60

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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.