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Finding the Fourth Proportional to 36,402.60, 50,217.24 and 21,285.36

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Solution

The fourth proportional to 36,402.60, 50,217.24 and 21,285.36 is: 29,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,402.60 : 50,217.24 = 21,285.36 : x
  2. Step 2: Convert to fraction form
    36,402.60/50,217.24 = 21,285.36/x
  3. Step 3: Cross multiply
    36,402.60x = 50,217.24 × 21,285.36
  4. Step 4: Simplify right side
    36,402.60x = 1,068,892,031.61
  5. Step 5: Solve for x
    x = 1,068,892,031.61/36,402.60
  6. Step 6: Final answer
    x = 29,363.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.