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Finding the Fourth Proportional to 26,392.64, 39,589.22 and 6,671.20

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Solution

The fourth proportional to 26,392.64, 39,589.22 and 6,671.20 is: 10,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,392.64 : 39,589.22 = 6,671.20 : x
  2. Step 2: Convert to fraction form
    26,392.64/39,589.22 = 6,671.20/x
  3. Step 3: Cross multiply
    26,392.64x = 39,589.22 × 6,671.20
  4. Step 4: Simplify right side
    26,392.64x = 264,107,472.13
  5. Step 5: Solve for x
    x = 264,107,472.13/26,392.64
  6. Step 6: Final answer
    x = 10,006.86

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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.