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Finding the Fourth Proportional to 9,051.89, 13,579.04 and 8,505.14

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Solution

The fourth proportional to 9,051.89, 13,579.04 and 8,505.14 is: 12,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.89 : 13,579.04 = 8,505.14 : x
  2. Step 2: Convert to fraction form
    9,051.89/13,579.04 = 8,505.14/x
  3. Step 3: Cross multiply
    9,051.89x = 13,579.04 × 8,505.14
  4. Step 4: Simplify right side
    9,051.89x = 115,491,589.63
  5. Step 5: Solve for x
    x = 115,491,589.63/9,051.89
  6. Step 6: Final answer
    x = 12,758.84

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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.