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Finding the Fourth Proportional to 51,275.66, 76,947.81 and 17,995.88

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Solution

The fourth proportional to 51,275.66, 76,947.81 and 17,995.88 is: 27,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,275.66 : 76,947.81 = 17,995.88 : x
  2. Step 2: Convert to fraction form
    51,275.66/76,947.81 = 17,995.88/x
  3. Step 3: Cross multiply
    51,275.66x = 76,947.81 × 17,995.88
  4. Step 4: Simplify right side
    51,275.66x = 1,384,743,555.02
  5. Step 5: Solve for x
    x = 1,384,743,555.02/51,275.66
  6. Step 6: Final answer
    x = 27,005.87

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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.