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Finding the Fourth Proportional to 12,471.50, 18,700.25 and 5,067.29

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Solution

The fourth proportional to 12,471.50, 18,700.25 and 5,067.29 is: 7,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.50 : 18,700.25 = 5,067.29 : x
  2. Step 2: Convert to fraction form
    12,471.50/18,700.25 = 5,067.29/x
  3. Step 3: Cross multiply
    12,471.50x = 18,700.25 × 5,067.29
  4. Step 4: Simplify right side
    12,471.50x = 94,759,611.24
  5. Step 5: Solve for x
    x = 94,759,611.24/12,471.50
  6. Step 6: Final answer
    x = 7,598.09

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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.