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Finding the Fourth Proportional to 27,067.14, 40,608.90 and 19,184.90

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Solution

The fourth proportional to 27,067.14, 40,608.90 and 19,184.90 is: 28,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,067.14 : 40,608.90 = 19,184.90 : x
  2. Step 2: Convert to fraction form
    27,067.14/40,608.90 = 19,184.90/x
  3. Step 3: Cross multiply
    27,067.14x = 40,608.90 × 19,184.90
  4. Step 4: Simplify right side
    27,067.14x = 779,077,482.57
  5. Step 5: Solve for x
    x = 779,077,482.57/27,067.14
  6. Step 6: Final answer
    x = 28,783.15

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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.