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Finding the Fourth Proportional to 36,752.73, 55,079.88 and 18,004.06

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Solution

The fourth proportional to 36,752.73, 55,079.88 and 18,004.06 is: 26,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,752.73 : 55,079.88 = 18,004.06 : x
  2. Step 2: Convert to fraction form
    36,752.73/55,079.88 = 18,004.06/x
  3. Step 3: Cross multiply
    36,752.73x = 55,079.88 × 18,004.06
  4. Step 4: Simplify right side
    36,752.73x = 991,661,464.31
  5. Step 5: Solve for x
    x = 991,661,464.31/36,752.73
  6. Step 6: Final answer
    x = 26,981.98

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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.