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Finding the Fourth Proportional to 9,659.94, 14,492 and 3,816.60

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Solution

The fourth proportional to 9,659.94, 14,492 and 3,816.60 is: 5,725.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659.94 : 14,492 = 3,816.60 : x
  2. Step 2: Convert to fraction form
    9,659.94/14,492 = 3,816.60/x
  3. Step 3: Cross multiply
    9,659.94x = 14,492 × 3,816.60
  4. Step 4: Simplify right side
    9,659.94x = 55,310,167.20
  5. Step 5: Solve for x
    x = 55,310,167.20/9,659.94
  6. Step 6: Final answer
    x = 5,725.73

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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.