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Finding the Fourth Proportional to 37,483.40, 56,231.40 and 11,190.80

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Solution

The fourth proportional to 37,483.40, 56,231.40 and 11,190.80 is: 16,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,483.40 : 56,231.40 = 11,190.80 : x
  2. Step 2: Convert to fraction form
    37,483.40/56,231.40 = 11,190.80/x
  3. Step 3: Cross multiply
    37,483.40x = 56,231.40 × 11,190.80
  4. Step 4: Simplify right side
    37,483.40x = 629,274,351.12
  5. Step 5: Solve for x
    x = 629,274,351.12/37,483.40
  6. Step 6: Final answer
    x = 16,788.08

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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.