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Finding the Fourth Proportional to 36,699.99, 55,043.50 and 14,505.99

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Solution

The fourth proportional to 36,699.99, 55,043.50 and 14,505.99 is: 21,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.99 : 55,043.50 = 14,505.99 : x
  2. Step 2: Convert to fraction form
    36,699.99/55,043.50 = 14,505.99/x
  3. Step 3: Cross multiply
    36,699.99x = 55,043.50 × 14,505.99
  4. Step 4: Simplify right side
    36,699.99x = 798,460,460.57
  5. Step 5: Solve for x
    x = 798,460,460.57/36,699.99
  6. Step 6: Final answer
    x = 21,756.42

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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.