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Finding the Fourth Proportional to 8,027.60, 12,034.92 and 7,379.60

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Solution

The fourth proportional to 8,027.60, 12,034.92 and 7,379.60 is: 11,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,027.60 : 12,034.92 = 7,379.60 : x
  2. Step 2: Convert to fraction form
    8,027.60/12,034.92 = 7,379.60/x
  3. Step 3: Cross multiply
    8,027.60x = 12,034.92 × 7,379.60
  4. Step 4: Simplify right side
    8,027.60x = 88,812,895.63
  5. Step 5: Solve for x
    x = 88,812,895.63/8,027.60
  6. Step 6: Final answer
    x = 11,063.44

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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.