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Finding the Fourth Proportional to 18,451, 25,462.38 and 10,067.50

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Solution

The fourth proportional to 18,451, 25,462.38 and 10,067.50 is: 13,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451 : 25,462.38 = 10,067.50 : x
  2. Step 2: Convert to fraction form
    18,451/25,462.38 = 10,067.50/x
  3. Step 3: Cross multiply
    18,451x = 25,462.38 × 10,067.50
  4. Step 4: Simplify right side
    18,451x = 256,342,510.65
  5. Step 5: Solve for x
    x = 256,342,510.65/18,451
  6. Step 6: Final answer
    x = 13,893.15

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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.