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Finding the Fourth Proportional to 21,796.83, 30,088.80 and 14,732.82

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Solution

The fourth proportional to 21,796.83, 30,088.80 and 14,732.82 is: 20,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796.83 : 30,088.80 = 14,732.82 : x
  2. Step 2: Convert to fraction form
    21,796.83/30,088.80 = 14,732.82/x
  3. Step 3: Cross multiply
    21,796.83x = 30,088.80 × 14,732.82
  4. Step 4: Simplify right side
    21,796.83x = 443,292,874.42
  5. Step 5: Solve for x
    x = 443,292,874.42/21,796.83
  6. Step 6: Final answer
    x = 20,337.49

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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.