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Finding the Fourth Proportional to 35,163.20, 52,744.80 and 10,539.20

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Solution

The fourth proportional to 35,163.20, 52,744.80 and 10,539.20 is: 15,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,163.20 : 52,744.80 = 10,539.20 : x
  2. Step 2: Convert to fraction form
    35,163.20/52,744.80 = 10,539.20/x
  3. Step 3: Cross multiply
    35,163.20x = 52,744.80 × 10,539.20
  4. Step 4: Simplify right side
    35,163.20x = 555,887,996.16
  5. Step 5: Solve for x
    x = 555,887,996.16/35,163.20
  6. Step 6: Final answer
    x = 15,808.80

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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.