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Finding the Fourth Proportional to 49,288.80, 73,918.80 and 17,695.20

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Solution

The fourth proportional to 49,288.80, 73,918.80 and 17,695.20 is: 26,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,288.80 : 73,918.80 = 17,695.20 : x
  2. Step 2: Convert to fraction form
    49,288.80/73,918.80 = 17,695.20/x
  3. Step 3: Cross multiply
    49,288.80x = 73,918.80 × 17,695.20
  4. Step 4: Simplify right side
    49,288.80x = 1,308,007,949.76
  5. Step 5: Solve for x
    x = 1,308,007,949.76/49,288.80
  6. Step 6: Final answer
    x = 26,537.63

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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.