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Finding the Fourth Proportional to 37,458.27, 56,168.60 and 12,489.48

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Solution

The fourth proportional to 37,458.27, 56,168.60 and 12,489.48 is: 18,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,458.27 : 56,168.60 = 12,489.48 : x
  2. Step 2: Convert to fraction form
    37,458.27/56,168.60 = 12,489.48/x
  3. Step 3: Cross multiply
    37,458.27x = 56,168.60 × 12,489.48
  4. Step 4: Simplify right side
    37,458.27x = 701,516,543.88
  5. Step 5: Solve for x
    x = 701,516,543.88/37,458.27
  6. Step 6: Final answer
    x = 18,727.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.