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Finding the Fourth Proportional to 13,824,672.60, 20,737,008.90 and 13,227,475.80

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Solution

The fourth proportional to 13,824,672.60, 20,737,008.90 and 13,227,475.80 is: 19,841,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,672.60 : 20,737,008.90 = 13,227,475.80 : x
  2. Step 2: Convert to fraction form
    13,824,672.60/20,737,008.90 = 13,227,475.80/x
  3. Step 3: Cross multiply
    13,824,672.60x = 20,737,008.90 × 13,227,475.80
  4. Step 4: Simplify right side
    13,824,672.60x = 274,298,283,389,134.62
  5. Step 5: Solve for x
    x = 274,298,283,389,134.62/13,824,672.60
  6. Step 6: Final answer
    x = 19,841,213.70

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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.