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Finding the Fourth Proportional to 45,163, 67,760.79 and 24,080.86

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Solution

The fourth proportional to 45,163, 67,760.79 and 24,080.86 is: 36,129.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163 : 67,760.79 = 24,080.86 : x
  2. Step 2: Convert to fraction form
    45,163/67,760.79 = 24,080.86/x
  3. Step 3: Cross multiply
    45,163x = 67,760.79 × 24,080.86
  4. Step 4: Simplify right side
    45,163x = 1,631,738,097.48
  5. Step 5: Solve for x
    x = 1,631,738,097.48/45,163
  6. Step 6: Final answer
    x = 36,129.98

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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.