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Finding the Fourth Proportional to 13,754,061.40, 20,631,092.10 and 13,171,610.20

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Solution

The fourth proportional to 13,754,061.40, 20,631,092.10 and 13,171,610.20 is: 19,757,415.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754,061.40 : 20,631,092.10 = 13,171,610.20 : x
  2. Step 2: Convert to fraction form
    13,754,061.40/20,631,092.10 = 13,171,610.20/x
  3. Step 3: Cross multiply
    13,754,061.40x = 20,631,092.10 × 13,171,610.20
  4. Step 4: Simplify right side
    13,754,061.40x = 271,744,703,141,499.44
  5. Step 5: Solve for x
    x = 271,744,703,141,499.44/13,754,061.40
  6. Step 6: Final answer
    x = 19,757,415.30

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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.