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Finding the Fourth Proportional to 22,348.34, 30,844.50 and 12,922.64

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Solution

The fourth proportional to 22,348.34, 30,844.50 and 12,922.64 is: 17,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.34 : 30,844.50 = 12,922.64 : x
  2. Step 2: Convert to fraction form
    22,348.34/30,844.50 = 12,922.64/x
  3. Step 3: Cross multiply
    22,348.34x = 30,844.50 × 12,922.64
  4. Step 4: Simplify right side
    22,348.34x = 398,592,369.48
  5. Step 5: Solve for x
    x = 398,592,369.48/22,348.34
  6. Step 6: Final answer
    x = 17,835.44

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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.