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Finding the Fourth Proportional to 60,043.56, 90,067.16 and 20,600.10

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Solution

The fourth proportional to 60,043.56, 90,067.16 and 20,600.10 is: 30,900.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,043.56 : 90,067.16 = 20,600.10 : x
  2. Step 2: Convert to fraction form
    60,043.56/90,067.16 = 20,600.10/x
  3. Step 3: Cross multiply
    60,043.56x = 90,067.16 × 20,600.10
  4. Step 4: Simplify right side
    60,043.56x = 1,855,392,502.72
  5. Step 5: Solve for x
    x = 1,855,392,502.72/60,043.56
  6. Step 6: Final answer
    x = 30,900.77

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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.