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Finding the Fourth Proportional to 9,448.05, 14,189.96 and 9,069.44

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Solution

The fourth proportional to 9,448.05, 14,189.96 and 9,069.44 is: 13,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448.05 : 14,189.96 = 9,069.44 : x
  2. Step 2: Convert to fraction form
    9,448.05/14,189.96 = 9,069.44/x
  3. Step 3: Cross multiply
    9,448.05x = 14,189.96 × 9,069.44
  4. Step 4: Simplify right side
    9,448.05x = 128,694,942.55
  5. Step 5: Solve for x
    x = 128,694,942.55/9,448.05
  6. Step 6: Final answer
    x = 13,621.32

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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.