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Finding the Fourth Proportional to 48,696.88, 73,045.40 and 11,760.88

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Solution

The fourth proportional to 48,696.88, 73,045.40 and 11,760.88 is: 17,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,696.88 : 73,045.40 = 11,760.88 : x
  2. Step 2: Convert to fraction form
    48,696.88/73,045.40 = 11,760.88/x
  3. Step 3: Cross multiply
    48,696.88x = 73,045.40 × 11,760.88
  4. Step 4: Simplify right side
    48,696.88x = 859,078,183.95
  5. Step 5: Solve for x
    x = 859,078,183.95/48,696.88
  6. Step 6: Final answer
    x = 17,641.34

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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.