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Finding the Fourth Proportional to 23,676.60, 35,514.90 and 13,810.80

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Solution

The fourth proportional to 23,676.60, 35,514.90 and 13,810.80 is: 20,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,676.60 : 35,514.90 = 13,810.80 : x
  2. Step 2: Convert to fraction form
    23,676.60/35,514.90 = 13,810.80/x
  3. Step 3: Cross multiply
    23,676.60x = 35,514.90 × 13,810.80
  4. Step 4: Simplify right side
    23,676.60x = 490,489,180.92
  5. Step 5: Solve for x
    x = 490,489,180.92/23,676.60
  6. Step 6: Final answer
    x = 20,716.20

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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.