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Finding the Fourth Proportional to 9,505.90, 14,244.78 and 8,467.90

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Solution

The fourth proportional to 9,505.90, 14,244.78 and 8,467.90 is: 12,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,505.90 : 14,244.78 = 8,467.90 : x
  2. Step 2: Convert to fraction form
    9,505.90/14,244.78 = 8,467.90/x
  3. Step 3: Cross multiply
    9,505.90x = 14,244.78 × 8,467.90
  4. Step 4: Simplify right side
    9,505.90x = 120,623,372.56
  5. Step 5: Solve for x
    x = 120,623,372.56/9,505.90
  6. Step 6: Final answer
    x = 12,689.32

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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.