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Finding the Fourth Proportional to 19,165.62, 28,751.10 and 6,019.02

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Solution

The fourth proportional to 19,165.62, 28,751.10 and 6,019.02 is: 9,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,165.62 : 28,751.10 = 6,019.02 : x
  2. Step 2: Convert to fraction form
    19,165.62/28,751.10 = 6,019.02/x
  3. Step 3: Cross multiply
    19,165.62x = 28,751.10 × 6,019.02
  4. Step 4: Simplify right side
    19,165.62x = 173,053,445.92
  5. Step 5: Solve for x
    x = 173,053,445.92/19,165.62
  6. Step 6: Final answer
    x = 9,029.37

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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.