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Finding the Fourth Proportional to 9,408.58, 12,992.44 and 6,057.09

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Solution

The fourth proportional to 9,408.58, 12,992.44 and 6,057.09 is: 8,364.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.58 : 12,992.44 = 6,057.09 : x
  2. Step 2: Convert to fraction form
    9,408.58/12,992.44 = 6,057.09/x
  3. Step 3: Cross multiply
    9,408.58x = 12,992.44 × 6,057.09
  4. Step 4: Simplify right side
    9,408.58x = 78,696,378.40
  5. Step 5: Solve for x
    x = 78,696,378.40/9,408.58
  6. Step 6: Final answer
    x = 8,364.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.