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Finding the Fourth Proportional to 14,560.68, 20,067.09 and 10,574.87

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Solution

The fourth proportional to 14,560.68, 20,067.09 and 10,574.87 is: 14,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.68 : 20,067.09 = 10,574.87 : x
  2. Step 2: Convert to fraction form
    14,560.68/20,067.09 = 10,574.87/x
  3. Step 3: Cross multiply
    14,560.68x = 20,067.09 × 10,574.87
  4. Step 4: Simplify right side
    14,560.68x = 212,206,868.03
  5. Step 5: Solve for x
    x = 212,206,868.03/14,560.68
  6. Step 6: Final answer
    x = 14,573.97

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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.