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Finding the Fourth Proportional to 19,599.81, 27,050.05 and 11,642.06

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Solution

The fourth proportional to 19,599.81, 27,050.05 and 11,642.06 is: 16,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.81 : 27,050.05 = 11,642.06 : x
  2. Step 2: Convert to fraction form
    19,599.81/27,050.05 = 11,642.06/x
  3. Step 3: Cross multiply
    19,599.81x = 27,050.05 × 11,642.06
  4. Step 4: Simplify right side
    19,599.81x = 314,918,387.28
  5. Step 5: Solve for x
    x = 314,918,387.28/19,599.81
  6. Step 6: Final answer
    x = 16,067.42

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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.