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Finding the Fourth Proportional to 8,244.56, 12,358.64 and 5,324.96

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Solution

The fourth proportional to 8,244.56, 12,358.64 and 5,324.96 is: 7,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,244.56 : 12,358.64 = 5,324.96 : x
  2. Step 2: Convert to fraction form
    8,244.56/12,358.64 = 5,324.96/x
  3. Step 3: Cross multiply
    8,244.56x = 12,358.64 × 5,324.96
  4. Step 4: Simplify right side
    8,244.56x = 65,809,263.65
  5. Step 5: Solve for x
    x = 65,809,263.65/8,244.56
  6. Step 6: Final answer
    x = 7,982.14

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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.