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Finding the Fourth Proportional to 19,402.82, 29,103.62 and 5,363.69

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Solution

The fourth proportional to 19,402.82, 29,103.62 and 5,363.69 is: 8,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.82 : 29,103.62 = 5,363.69 : x
  2. Step 2: Convert to fraction form
    19,402.82/29,103.62 = 5,363.69/x
  3. Step 3: Cross multiply
    19,402.82x = 29,103.62 × 5,363.69
  4. Step 4: Simplify right side
    19,402.82x = 156,102,881.73
  5. Step 5: Solve for x
    x = 156,102,881.73/19,402.82
  6. Step 6: Final answer
    x = 8,045.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.