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Finding the Fourth Proportional to 36,888, 55,278.83 and 21,044.19

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Solution

The fourth proportional to 36,888, 55,278.83 and 21,044.19 is: 31,535.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,888 : 55,278.83 = 21,044.19 : x
  2. Step 2: Convert to fraction form
    36,888/55,278.83 = 21,044.19/x
  3. Step 3: Cross multiply
    36,888x = 55,278.83 × 21,044.19
  4. Step 4: Simplify right side
    36,888x = 1,163,298,096.28
  5. Step 5: Solve for x
    x = 1,163,298,096.28/36,888
  6. Step 6: Final answer
    x = 31,535.95

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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.