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Finding the Fourth Proportional to 8,362.56, 12,544.56 and 2,518.68

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Solution

The fourth proportional to 8,362.56, 12,544.56 and 2,518.68 is: 3,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.56 : 12,544.56 = 2,518.68 : x
  2. Step 2: Convert to fraction form
    8,362.56/12,544.56 = 2,518.68/x
  3. Step 3: Cross multiply
    8,362.56x = 12,544.56 × 2,518.68
  4. Step 4: Simplify right side
    8,362.56x = 31,595,732.38
  5. Step 5: Solve for x
    x = 31,595,732.38/8,362.56
  6. Step 6: Final answer
    x = 3,778.24

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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.