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Finding the Fourth Proportional to 45,576.99, 68,360.67 and 12,294.99

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Solution

The fourth proportional to 45,576.99, 68,360.67 and 12,294.99 is: 18,441.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,576.99 : 68,360.67 = 12,294.99 : x
  2. Step 2: Convert to fraction form
    45,576.99/68,360.67 = 12,294.99/x
  3. Step 3: Cross multiply
    45,576.99x = 68,360.67 × 12,294.99
  4. Step 4: Simplify right side
    45,576.99x = 840,493,754.04
  5. Step 5: Solve for x
    x = 840,493,754.04/45,576.99
  6. Step 6: Final answer
    x = 18,441.19

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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.