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Finding the Fourth Proportional to 36,665.52, 55,020 and 14,481.12

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Solution

The fourth proportional to 36,665.52, 55,020 and 14,481.12 is: 21,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,665.52 : 55,020 = 14,481.12 : x
  2. Step 2: Convert to fraction form
    36,665.52/55,020 = 14,481.12/x
  3. Step 3: Cross multiply
    36,665.52x = 55,020 × 14,481.12
  4. Step 4: Simplify right side
    36,665.52x = 796,751,222.40
  5. Step 5: Solve for x
    x = 796,751,222.40/36,665.52
  6. Step 6: Final answer
    x = 21,730.26

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1.5x scale

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.