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Finding the Fourth Proportional to 60,803.96, 91,191.60 and 16,431.12

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Solution

The fourth proportional to 60,803.96, 91,191.60 and 16,431.12 is: 24,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,803.96 : 91,191.60 = 16,431.12 : x
  2. Step 2: Convert to fraction form
    60,803.96/91,191.60 = 16,431.12/x
  3. Step 3: Cross multiply
    60,803.96x = 91,191.60 × 16,431.12
  4. Step 4: Simplify right side
    60,803.96x = 1,498,380,122.59
  5. Step 5: Solve for x
    x = 1,498,380,122.59/60,803.96
  6. Step 6: Final answer
    x = 24,642.80

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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.