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Finding the Fourth Proportional to 55,940.97, 83,898.63 and 15,959.19

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Solution

The fourth proportional to 55,940.97, 83,898.63 and 15,959.19 is: 23,935.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.97 : 83,898.63 = 15,959.19 : x
  2. Step 2: Convert to fraction form
    55,940.97/83,898.63 = 15,959.19/x
  3. Step 3: Cross multiply
    55,940.97x = 83,898.63 × 15,959.19
  4. Step 4: Simplify right side
    55,940.97x = 1,338,954,176.91
  5. Step 5: Solve for x
    x = 1,338,954,176.91/55,940.97
  6. Step 6: Final answer
    x = 23,935.13

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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.