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Finding the Fourth Proportional to 55,798.65, 76,979.82 and 35,650.29

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Solution

The fourth proportional to 55,798.65, 76,979.82 and 35,650.29 is: 49,183.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,798.65 : 76,979.82 = 35,650.29 : x
  2. Step 2: Convert to fraction form
    55,798.65/76,979.82 = 35,650.29/x
  3. Step 3: Cross multiply
    55,798.65x = 76,979.82 × 35,650.29
  4. Step 4: Simplify right side
    55,798.65x = 2,744,352,907.15
  5. Step 5: Solve for x
    x = 2,744,352,907.15/55,798.65
  6. Step 6: Final answer
    x = 49,183.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.