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Finding the Fourth Proportional to 19,759.25, 29,498.03 and 19,067.11

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Solution

The fourth proportional to 19,759.25, 29,498.03 and 19,067.11 is: 28,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.25 : 29,498.03 = 19,067.11 : x
  2. Step 2: Convert to fraction form
    19,759.25/29,498.03 = 19,067.11/x
  3. Step 3: Cross multiply
    19,759.25x = 29,498.03 × 19,067.11
  4. Step 4: Simplify right side
    19,759.25x = 562,442,085.21
  5. Step 5: Solve for x
    x = 562,442,085.21/19,759.25
  6. Step 6: Final answer
    x = 28,464.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.