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Finding the Fourth Proportional to 30,935.70, 46,398.39 and 8,744.01

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Solution

The fourth proportional to 30,935.70, 46,398.39 and 8,744.01 is: 13,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.70 : 46,398.39 = 8,744.01 : x
  2. Step 2: Convert to fraction form
    30,935.70/46,398.39 = 8,744.01/x
  3. Step 3: Cross multiply
    30,935.70x = 46,398.39 × 8,744.01
  4. Step 4: Simplify right side
    30,935.70x = 405,707,986.14
  5. Step 5: Solve for x
    x = 405,707,986.14/30,935.70
  6. Step 6: Final answer
    x = 13,114.56

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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.