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Finding the Fourth Proportional to 13,363.73, 20,026.43 and 7,508.02

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Solution

The fourth proportional to 13,363.73, 20,026.43 and 7,508.02 is: 11,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.73 : 20,026.43 = 7,508.02 : x
  2. Step 2: Convert to fraction form
    13,363.73/20,026.43 = 7,508.02/x
  3. Step 3: Cross multiply
    13,363.73x = 20,026.43 × 7,508.02
  4. Step 4: Simplify right side
    13,363.73x = 150,358,699.30
  5. Step 5: Solve for x
    x = 150,358,699.30/13,363.73
  6. Step 6: Final answer
    x = 11,251.25

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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.