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Finding the Fourth Proportional to 11,353.92, 17,008.74 and 6,408.60

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Solution

The fourth proportional to 11,353.92, 17,008.74 and 6,408.60 is: 9,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.92 : 17,008.74 = 6,408.60 : x
  2. Step 2: Convert to fraction form
    11,353.92/17,008.74 = 6,408.60/x
  3. Step 3: Cross multiply
    11,353.92x = 17,008.74 × 6,408.60
  4. Step 4: Simplify right side
    11,353.92x = 109,002,211.16
  5. Step 5: Solve for x
    x = 109,002,211.16/11,353.92
  6. Step 6: Final answer
    x = 9,600.40

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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.