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Finding the Fourth Proportional to 26,366.88, 36,375.84 and 18,811.20

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Solution

The fourth proportional to 26,366.88, 36,375.84 and 18,811.20 is: 25,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,366.88 : 36,375.84 = 18,811.20 : x
  2. Step 2: Convert to fraction form
    26,366.88/36,375.84 = 18,811.20/x
  3. Step 3: Cross multiply
    26,366.88x = 36,375.84 × 18,811.20
  4. Step 4: Simplify right side
    26,366.88x = 684,273,201.41
  5. Step 5: Solve for x
    x = 684,273,201.41/26,366.88
  6. Step 6: Final answer
    x = 25,952.00

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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.