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Finding the Fourth Proportional to 8,958.78, 13,438.23 and 5,062.26

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Solution

The fourth proportional to 8,958.78, 13,438.23 and 5,062.26 is: 7,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,958.78 : 13,438.23 = 5,062.26 : x
  2. Step 2: Convert to fraction form
    8,958.78/13,438.23 = 5,062.26/x
  3. Step 3: Cross multiply
    8,958.78x = 13,438.23 × 5,062.26
  4. Step 4: Simplify right side
    8,958.78x = 68,027,814.20
  5. Step 5: Solve for x
    x = 68,027,814.20/8,958.78
  6. Step 6: Final answer
    x = 7,593.42

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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.