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Finding the Fourth Proportional to 48,842.68, 73,264.20 and 11,906.68

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Solution

The fourth proportional to 48,842.68, 73,264.20 and 11,906.68 is: 17,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,842.68 : 73,264.20 = 11,906.68 : x
  2. Step 2: Convert to fraction form
    48,842.68/73,264.20 = 11,906.68/x
  3. Step 3: Cross multiply
    48,842.68x = 73,264.20 × 11,906.68
  4. Step 4: Simplify right side
    48,842.68x = 872,333,384.86
  5. Step 5: Solve for x
    x = 872,333,384.86/48,842.68
  6. Step 6: Final answer
    x = 17,860.06

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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.