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Finding the Fourth Proportional to 48,670.71, 73,018.22 and 13,610.09

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Solution

The fourth proportional to 48,670.71, 73,018.22 and 13,610.09 is: 20,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,670.71 : 73,018.22 = 13,610.09 : x
  2. Step 2: Convert to fraction form
    48,670.71/73,018.22 = 13,610.09/x
  3. Step 3: Cross multiply
    48,670.71x = 73,018.22 × 13,610.09
  4. Step 4: Simplify right side
    48,670.71x = 993,784,112.70
  5. Step 5: Solve for x
    x = 993,784,112.70/48,670.71
  6. Step 6: Final answer
    x = 20,418.53

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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.