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Finding the Fourth Proportional to 9,353.72, 14,025.68 and 8,287.85

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Solution

The fourth proportional to 9,353.72, 14,025.68 and 8,287.85 is: 12,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.72 : 14,025.68 = 8,287.85 : x
  2. Step 2: Convert to fraction form
    9,353.72/14,025.68 = 8,287.85/x
  3. Step 3: Cross multiply
    9,353.72x = 14,025.68 × 8,287.85
  4. Step 4: Simplify right side
    9,353.72x = 116,242,620.42
  5. Step 5: Solve for x
    x = 116,242,620.42/9,353.72
  6. Step 6: Final answer
    x = 12,427.43

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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.