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Finding the Fourth Proportional to 8,944.10, 13,425.96 and 7,107.02

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Solution

The fourth proportional to 8,944.10, 13,425.96 and 7,107.02 is: 10,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.10 : 13,425.96 = 7,107.02 : x
  2. Step 2: Convert to fraction form
    8,944.10/13,425.96 = 7,107.02/x
  3. Step 3: Cross multiply
    8,944.10x = 13,425.96 × 7,107.02
  4. Step 4: Simplify right side
    8,944.10x = 95,418,566.24
  5. Step 5: Solve for x
    x = 95,418,566.24/8,944.10
  6. Step 6: Final answer
    x = 10,668.33

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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.