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Finding the Fourth Proportional to 17,160.83, 25,740.93 and 5,473.88

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Solution

The fourth proportional to 17,160.83, 25,740.93 and 5,473.88 is: 8,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,160.83 : 25,740.93 = 5,473.88 : x
  2. Step 2: Convert to fraction form
    17,160.83/25,740.93 = 5,473.88/x
  3. Step 3: Cross multiply
    17,160.83x = 25,740.93 × 5,473.88
  4. Step 4: Simplify right side
    17,160.83x = 140,902,761.91
  5. Step 5: Solve for x
    x = 140,902,761.91/17,160.83
  6. Step 6: Final answer
    x = 8,210.72

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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.