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Finding the Fourth Proportional to 36,816, 55,216.71 and 10,516.11

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Solution

The fourth proportional to 36,816, 55,216.71 and 10,516.11 is: 15,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,816 : 55,216.71 = 10,516.11 : x
  2. Step 2: Convert to fraction form
    36,816/55,216.71 = 10,516.11/x
  3. Step 3: Cross multiply
    36,816x = 55,216.71 × 10,516.11
  4. Step 4: Simplify right side
    36,816x = 580,664,996.20
  5. Step 5: Solve for x
    x = 580,664,996.20/36,816
  6. Step 6: Final answer
    x = 15,772.08

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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.