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Finding the Fourth Proportional to 13,097.99, 18,040.80 and 10,067.32

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Solution

The fourth proportional to 13,097.99, 18,040.80 and 10,067.32 is: 13,866.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,097.99 : 18,040.80 = 10,067.32 : x
  2. Step 2: Convert to fraction form
    13,097.99/18,040.80 = 10,067.32/x
  3. Step 3: Cross multiply
    13,097.99x = 18,040.80 × 10,067.32
  4. Step 4: Simplify right side
    13,097.99x = 181,622,476.50
  5. Step 5: Solve for x
    x = 181,622,476.50/13,097.99
  6. Step 6: Final answer
    x = 13,866.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.