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Finding the Fourth Proportional to 8,324.70, 12,488.80 and 2,401.54

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Solution

The fourth proportional to 8,324.70, 12,488.80 and 2,401.54 is: 3,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.70 : 12,488.80 = 2,401.54 : x
  2. Step 2: Convert to fraction form
    8,324.70/12,488.80 = 2,401.54/x
  3. Step 3: Cross multiply
    8,324.70x = 12,488.80 × 2,401.54
  4. Step 4: Simplify right side
    8,324.70x = 29,992,352.75
  5. Step 5: Solve for x
    x = 29,992,352.75/8,324.70
  6. Step 6: Final answer
    x = 3,602.81

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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.