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Finding the Fourth Proportional to 35,450.80, 53,163.40 and 17,914.80

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Solution

The fourth proportional to 35,450.80, 53,163.40 and 17,914.80 is: 26,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.80 : 53,163.40 = 17,914.80 : x
  2. Step 2: Convert to fraction form
    35,450.80/53,163.40 = 17,914.80/x
  3. Step 3: Cross multiply
    35,450.80x = 53,163.40 × 17,914.80
  4. Step 4: Simplify right side
    35,450.80x = 952,411,678.32
  5. Step 5: Solve for x
    x = 952,411,678.32/35,450.80
  6. Step 6: Final answer
    x = 26,865.73

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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.