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Finding the Fourth Proportional to 48,593.69, 72,891.67 and 13,055.05

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Solution

The fourth proportional to 48,593.69, 72,891.67 and 13,055.05 is: 19,582.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,593.69 : 72,891.67 = 13,055.05 : x
  2. Step 2: Convert to fraction form
    48,593.69/72,891.67 = 13,055.05/x
  3. Step 3: Cross multiply
    48,593.69x = 72,891.67 × 13,055.05
  4. Step 4: Simplify right side
    48,593.69x = 951,604,396.43
  5. Step 5: Solve for x
    x = 951,604,396.43/48,593.69
  6. Step 6: Final answer
    x = 19,582.88

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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.