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Finding the Fourth Proportional to 19,166.53, 28,751 and 6,019.42

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Solution

The fourth proportional to 19,166.53, 28,751 and 6,019.42 is: 9,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.53 : 28,751 = 6,019.42 : x
  2. Step 2: Convert to fraction form
    19,166.53/28,751 = 6,019.42/x
  3. Step 3: Cross multiply
    19,166.53x = 28,751 × 6,019.42
  4. Step 4: Simplify right side
    19,166.53x = 173,064,344.42
  5. Step 5: Solve for x
    x = 173,064,344.42/19,166.53
  6. Step 6: Final answer
    x = 9,029.51

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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.