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Finding the Fourth Proportional to 19,193.01, 28,789.52 and 7,498.04

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Solution

The fourth proportional to 19,193.01, 28,789.52 and 7,498.04 is: 11,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.01 : 28,789.52 = 7,498.04 : x
  2. Step 2: Convert to fraction form
    19,193.01/28,789.52 = 7,498.04/x
  3. Step 3: Cross multiply
    19,193.01x = 28,789.52 × 7,498.04
  4. Step 4: Simplify right side
    19,193.01x = 215,864,791.10
  5. Step 5: Solve for x
    x = 215,864,791.10/19,193.01
  6. Step 6: Final answer
    x = 11,247.05

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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.