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Finding the Fourth Proportional to 60,811.57, 91,213.94 and 16,435.07

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Solution

The fourth proportional to 60,811.57, 91,213.94 and 16,435.07 is: 24,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,811.57 : 91,213.94 = 16,435.07 : x
  2. Step 2: Convert to fraction form
    60,811.57/91,213.94 = 16,435.07/x
  3. Step 3: Cross multiply
    60,811.57x = 91,213.94 × 16,435.07
  4. Step 4: Simplify right side
    60,811.57x = 1,499,107,415.95
  5. Step 5: Solve for x
    x = 1,499,107,415.95/60,811.57
  6. Step 6: Final answer
    x = 24,651.68

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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.