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Finding the Fourth Proportional to 6,418.43, 9,628.01 and 6,069.35

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Solution

The fourth proportional to 6,418.43, 9,628.01 and 6,069.35 is: 9,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.43 : 9,628.01 = 6,069.35 : x
  2. Step 2: Convert to fraction form
    6,418.43/9,628.01 = 6,069.35/x
  3. Step 3: Cross multiply
    6,418.43x = 9,628.01 × 6,069.35
  4. Step 4: Simplify right side
    6,418.43x = 58,435,684.01
  5. Step 5: Solve for x
    x = 58,435,684.01/6,418.43
  6. Step 6: Final answer
    x = 9,104.37

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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.