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Finding the Fourth Proportional to 60,993.22, 91,453.68 and 18,860.83

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Solution

The fourth proportional to 60,993.22, 91,453.68 and 18,860.83 is: 28,280.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,993.22 : 91,453.68 = 18,860.83 : x
  2. Step 2: Convert to fraction form
    60,993.22/91,453.68 = 18,860.83/x
  3. Step 3: Cross multiply
    60,993.22x = 91,453.68 × 18,860.83
  4. Step 4: Simplify right side
    60,993.22x = 1,724,892,311.35
  5. Step 5: Solve for x
    x = 1,724,892,311.35/60,993.22
  6. Step 6: Final answer
    x = 28,280.07

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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.