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Finding the Fourth Proportional to 37,992.96, 52,425.60 and 21,225.60

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Solution

The fourth proportional to 37,992.96, 52,425.60 and 21,225.60 is: 29,288.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,992.96 : 52,425.60 = 21,225.60 : x
  2. Step 2: Convert to fraction form
    37,992.96/52,425.60 = 21,225.60/x
  3. Step 3: Cross multiply
    37,992.96x = 52,425.60 × 21,225.60
  4. Step 4: Simplify right side
    37,992.96x = 1,112,764,815.36
  5. Step 5: Solve for x
    x = 1,112,764,815.36/37,992.96
  6. Step 6: Final answer
    x = 29,288.71

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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.