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Finding the Fourth Proportional to 37,611.60, 51,903.88 and 20,844.60

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Solution

The fourth proportional to 37,611.60, 51,903.88 and 20,844.60 is: 28,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,611.60 : 51,903.88 = 20,844.60 : x
  2. Step 2: Convert to fraction form
    37,611.60/51,903.88 = 20,844.60/x
  3. Step 3: Cross multiply
    37,611.60x = 51,903.88 × 20,844.60
  4. Step 4: Simplify right side
    37,611.60x = 1,081,915,617.05
  5. Step 5: Solve for x
    x = 1,081,915,617.05/37,611.60
  6. Step 6: Final answer
    x = 28,765.48

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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.