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Finding the Fourth Proportional to 37,651.60, 51,956.94 and 20,884.60

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Solution

The fourth proportional to 37,651.60, 51,956.94 and 20,884.60 is: 28,819.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,651.60 : 51,956.94 = 20,884.60 : x
  2. Step 2: Convert to fraction form
    37,651.60/51,956.94 = 20,884.60/x
  3. Step 3: Cross multiply
    37,651.60x = 51,956.94 × 20,884.60
  4. Step 4: Simplify right side
    37,651.60x = 1,085,099,909.12
  5. Step 5: Solve for x
    x = 1,085,099,909.12/37,651.60
  6. Step 6: Final answer
    x = 28,819.49

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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.