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Finding the Fourth Proportional to 60,064.96, 90,105.71 and 20,616.94

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Solution

The fourth proportional to 60,064.96, 90,105.71 and 20,616.94 is: 30,928.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,064.96 : 90,105.71 = 20,616.94 : x
  2. Step 2: Convert to fraction form
    60,064.96/90,105.71 = 20,616.94/x
  3. Step 3: Cross multiply
    60,064.96x = 90,105.71 × 20,616.94
  4. Step 4: Simplify right side
    60,064.96x = 1,857,704,016.73
  5. Step 5: Solve for x
    x = 1,857,704,016.73/60,064.96
  6. Step 6: Final answer
    x = 30,928.25

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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.