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Finding the Fourth Proportional to 37,190.64, 55,810.80 and 13,819.44

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Solution

The fourth proportional to 37,190.64, 55,810.80 and 13,819.44 is: 20,738.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,190.64 : 55,810.80 = 13,819.44 : x
  2. Step 2: Convert to fraction form
    37,190.64/55,810.80 = 13,819.44/x
  3. Step 3: Cross multiply
    37,190.64x = 55,810.80 × 13,819.44
  4. Step 4: Simplify right side
    37,190.64x = 771,274,001.95
  5. Step 5: Solve for x
    x = 771,274,001.95/37,190.64
  6. Step 6: Final answer
    x = 20,738.39

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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.