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Finding the Fourth Proportional to 40,644.99, 60,986.93 and 14,362.11

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Solution

The fourth proportional to 40,644.99, 60,986.93 and 14,362.11 is: 21,550.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,644.99 : 60,986.93 = 14,362.11 : x
  2. Step 2: Convert to fraction form
    40,644.99/60,986.93 = 14,362.11/x
  3. Step 3: Cross multiply
    40,644.99x = 60,986.93 × 14,362.11
  4. Step 4: Simplify right side
    40,644.99x = 875,901,149.69
  5. Step 5: Solve for x
    x = 875,901,149.69/40,644.99
  6. Step 6: Final answer
    x = 21,550.04

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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.