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Finding the Fourth Proportional to 9,467.76, 14,204.25 and 8,434.90

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Solution

The fourth proportional to 9,467.76, 14,204.25 and 8,434.90 is: 12,654.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,467.76 : 14,204.25 = 8,434.90 : x
  2. Step 2: Convert to fraction form
    9,467.76/14,204.25 = 8,434.90/x
  3. Step 3: Cross multiply
    9,467.76x = 14,204.25 × 8,434.90
  4. Step 4: Simplify right side
    9,467.76x = 119,811,428.33
  5. Step 5: Solve for x
    x = 119,811,428.33/9,467.76
  6. Step 6: Final answer
    x = 12,654.68

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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.