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Finding the Fourth Proportional to 9,019.38, 13,504.36 and 7,463.86

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Solution

The fourth proportional to 9,019.38, 13,504.36 and 7,463.86 is: 11,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.38 : 13,504.36 = 7,463.86 : x
  2. Step 2: Convert to fraction form
    9,019.38/13,504.36 = 7,463.86/x
  3. Step 3: Cross multiply
    9,019.38x = 13,504.36 × 7,463.86
  4. Step 4: Simplify right side
    9,019.38x = 100,794,652.43
  5. Step 5: Solve for x
    x = 100,794,652.43/9,019.38
  6. Step 6: Final answer
    x = 11,175.34

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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.