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Finding the Fourth Proportional to 57,913.27, 86,706.12 and 36,800.98

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Solution

The fourth proportional to 57,913.27, 86,706.12 and 36,800.98 is: 55,097.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,913.27 : 86,706.12 = 36,800.98 : x
  2. Step 2: Convert to fraction form
    57,913.27/86,706.12 = 36,800.98/x
  3. Step 3: Cross multiply
    57,913.27x = 86,706.12 × 36,800.98
  4. Step 4: Simplify right side
    57,913.27x = 3,190,870,188.00
  5. Step 5: Solve for x
    x = 3,190,870,188.00/57,913.27
  6. Step 6: Final answer
    x = 55,097.39

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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.