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Finding the Fourth Proportional to 48,996.88, 73,495.72 and 15,717

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Solution

The fourth proportional to 48,996.88, 73,495.72 and 15,717 is: 23,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,996.88 : 73,495.72 = 15,717 : x
  2. Step 2: Convert to fraction form
    48,996.88/73,495.72 = 15,717/x
  3. Step 3: Cross multiply
    48,996.88x = 73,495.72 × 15,717
  4. Step 4: Simplify right side
    48,996.88x = 1,155,132,231.24
  5. Step 5: Solve for x
    x = 1,155,132,231.24/48,996.88
  6. Step 6: Final answer
    x = 23,575.63

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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.