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Finding the Fourth Proportional to 9,600.92, 14,402.90 and 3,360.78

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Solution

The fourth proportional to 9,600.92, 14,402.90 and 3,360.78 is: 5,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,600.92 : 14,402.90 = 3,360.78 : x
  2. Step 2: Convert to fraction form
    9,600.92/14,402.90 = 3,360.78/x
  3. Step 3: Cross multiply
    9,600.92x = 14,402.90 × 3,360.78
  4. Step 4: Simplify right side
    9,600.92x = 48,404,986.66
  5. Step 5: Solve for x
    x = 48,404,986.66/9,600.92
  6. Step 6: Final answer
    x = 5,041.70

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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.