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Finding the Fourth Proportional to 45,576.96, 68,359.98 and 12,294.48

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Solution

The fourth proportional to 45,576.96, 68,359.98 and 12,294.48 is: 18,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,576.96 : 68,359.98 = 12,294.48 : x
  2. Step 2: Convert to fraction form
    45,576.96/68,359.98 = 12,294.48/x
  3. Step 3: Cross multiply
    45,576.96x = 68,359.98 × 12,294.48
  4. Step 4: Simplify right side
    45,576.96x = 840,450,406.91
  5. Step 5: Solve for x
    x = 840,450,406.91/45,576.96
  6. Step 6: Final answer
    x = 18,440.25

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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.