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Finding the Fourth Proportional to 18,019.44, 27,029.44 and 6,332.80

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Solution

The fourth proportional to 18,019.44, 27,029.44 and 6,332.80 is: 9,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.44 : 27,029.44 = 6,332.80 : x
  2. Step 2: Convert to fraction form
    18,019.44/27,029.44 = 6,332.80/x
  3. Step 3: Cross multiply
    18,019.44x = 27,029.44 × 6,332.80
  4. Step 4: Simplify right side
    18,019.44x = 171,172,037.63
  5. Step 5: Solve for x
    x = 171,172,037.63/18,019.44
  6. Step 6: Final answer
    x = 9,499.30

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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.