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Finding the Fourth Proportional to 17,802.70, 26,704.59 and 6,115.75

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Solution

The fourth proportional to 17,802.70, 26,704.59 and 6,115.75 is: 9,173.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.70 : 26,704.59 = 6,115.75 : x
  2. Step 2: Convert to fraction form
    17,802.70/26,704.59 = 6,115.75/x
  3. Step 3: Cross multiply
    17,802.70x = 26,704.59 × 6,115.75
  4. Step 4: Simplify right side
    17,802.70x = 163,318,596.29
  5. Step 5: Solve for x
    x = 163,318,596.29/17,802.70
  6. Step 6: Final answer
    x = 9,173.81

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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.