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Finding the Fourth Proportional to 20,027.99, 30,039.82 and 6,699.47

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Solution

The fourth proportional to 20,027.99, 30,039.82 and 6,699.47 is: 10,048.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.99 : 30,039.82 = 6,699.47 : x
  2. Step 2: Convert to fraction form
    20,027.99/30,039.82 = 6,699.47/x
  3. Step 3: Cross multiply
    20,027.99x = 30,039.82 × 6,699.47
  4. Step 4: Simplify right side
    20,027.99x = 201,250,810.22
  5. Step 5: Solve for x
    x = 201,250,810.22/20,027.99
  6. Step 6: Final answer
    x = 10,048.48

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1.5x scale

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.