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Finding the Fourth Proportional to 45,191.02, 67,786.17 and 13,600.94

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Solution

The fourth proportional to 45,191.02, 67,786.17 and 13,600.94 is: 20,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,191.02 : 67,786.17 = 13,600.94 : x
  2. Step 2: Convert to fraction form
    45,191.02/67,786.17 = 13,600.94/x
  3. Step 3: Cross multiply
    45,191.02x = 67,786.17 × 13,600.94
  4. Step 4: Simplify right side
    45,191.02x = 921,955,631.00
  5. Step 5: Solve for x
    x = 921,955,631.00/45,191.02
  6. Step 6: Final answer
    x = 20,401.30

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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.