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Finding the Fourth Proportional to 8,234.60, 12,352.10 and 2,391.26

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Solution

The fourth proportional to 8,234.60, 12,352.10 and 2,391.26 is: 3,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.60 : 12,352.10 = 2,391.26 : x
  2. Step 2: Convert to fraction form
    8,234.60/12,352.10 = 2,391.26/x
  3. Step 3: Cross multiply
    8,234.60x = 12,352.10 × 2,391.26
  4. Step 4: Simplify right side
    8,234.60x = 29,537,008.93
  5. Step 5: Solve for x
    x = 29,537,008.93/8,234.60
  6. Step 6: Final answer
    x = 3,586.94

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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.