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Finding the Fourth Proportional to 37,754.80, 56,664.60 and 16,727.20

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Solution

The fourth proportional to 37,754.80, 56,664.60 and 16,727.20 is: 25,105.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,754.80 : 56,664.60 = 16,727.20 : x
  2. Step 2: Convert to fraction form
    37,754.80/56,664.60 = 16,727.20/x
  3. Step 3: Cross multiply
    37,754.80x = 56,664.60 × 16,727.20
  4. Step 4: Simplify right side
    37,754.80x = 947,840,097.12
  5. Step 5: Solve for x
    x = 947,840,097.12/37,754.80
  6. Step 6: Final answer
    x = 25,105.15

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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.