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Finding the Fourth Proportional to 26,798.88, 36,982.31 and 14,863.98

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Solution

The fourth proportional to 26,798.88, 36,982.31 and 14,863.98 is: 20,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,798.88 : 36,982.31 = 14,863.98 : x
  2. Step 2: Convert to fraction form
    26,798.88/36,982.31 = 14,863.98/x
  3. Step 3: Cross multiply
    26,798.88x = 36,982.31 × 14,863.98
  4. Step 4: Simplify right side
    26,798.88x = 549,704,241.87
  5. Step 5: Solve for x
    x = 549,704,241.87/26,798.88
  6. Step 6: Final answer
    x = 20,512.21

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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.