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Finding the Fourth Proportional to 17,855.18, 26,766.93 and 6,754.10

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Solution

The fourth proportional to 17,855.18, 26,766.93 and 6,754.10 is: 10,125.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.18 : 26,766.93 = 6,754.10 : x
  2. Step 2: Convert to fraction form
    17,855.18/26,766.93 = 6,754.10/x
  3. Step 3: Cross multiply
    17,855.18x = 26,766.93 × 6,754.10
  4. Step 4: Simplify right side
    17,855.18x = 180,786,521.91
  5. Step 5: Solve for x
    x = 180,786,521.91/17,855.18
  6. Step 6: Final answer
    x = 10,125.16

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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.